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625 vulnerabilities by zyxel
CVE-2026-7273 (GCVE-0-2026-7273)
Vulnerability from nvd – Published: 2026-06-16 02:20 – Updated: 2026-06-18 03:55
VLAI
Summary
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48HPv2 firmware |
Affected:
<= 2.90(ABTQ.1)C0
|
|
| Zyxel | GS1900-8 firmware |
Affected:
<= 2.90(AAHH.1)C0
|
|
| Zyxel | GS1900-8HP firmware |
Affected:
<= 2.90(AAHI.1)C0
|
|
| Zyxel | GS1900-10HP firmware |
Affected:
<= 2.90(AAZI.1)C0
|
|
| Zyxel | GS1900-16 firmware |
Affected:
<= 2.90(AAHJ.1)C0
|
|
| Zyxel | GS1900-24 firmware |
Affected:
<= 2.90(AAHL.1)C0
|
|
| Zyxel | GS1900-24E firmware |
Affected:
<= 2.90(AAHK.1)C0
|
|
| Zyxel | GS1900-24EP firmware |
Affected:
<= 2.90(ABTO.1)C0
|
|
| Zyxel | GS1900-24HPv2 firmware |
Affected:
<= 2.90(ABTP.1)C0
|
|
| Zyxel | GS1900-48 firmware |
Affected:
<= 2.90(AAHN.1)C0
|
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CVE-2026-3871 (GCVE-0-2026-3871)
Vulnerability from nvd – Published: 2026-06-02 02:04 – Updated: 2026-06-02 13:34
VLAI
Summary
A buffer overflow vulnerability in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | VMG4005-B50B firmware |
Affected:
<= 5.13(ABRL.5.4)C0
|
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CVE-2026-3870 (GCVE-0-2026-3870)
Vulnerability from nvd – Published: 2026-06-02 01:54 – Updated: 2026-06-02 13:36
VLAI
Summary
A buffer overflow vulnerability in the UPnP AddPortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | VMG4005-B50B firmware |
Affected:
<= 5.13(ABRL.5.4)C0
|
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CVE-2026-4795 (GCVE-0-2026-4795)
Vulnerability from nvd – Published: 2026-05-26 01:42 – Updated: 2026-05-26 12:18
VLAI
Summary
A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0, GS1200-5HPv3 firmware versions through 1.00(ACPU.2)C0, GS1200-8HPv3 firmware versions through 1.00(ACPV.2)C0, and GS1200-10v3 firmware versions through 1.00(ACPW.2)C0 could allow a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1200-5v3 firmware |
Affected:
<= 1.00(ACPS.2)C0
|
|
| Zyxel | GS1200-8v3 firmware |
Affected:
<= 1.00(ACPT.2)C0
|
|
| Zyxel | GS1200-5HPv3 firmware |
Affected:
<= 1.00(ACPU.2)C0
|
|
| Zyxel | GS1200-8HPv3 firmware |
Affected:
<= 1.00(ACPV.2)C0
|
|
| Zyxel | GS1200-10v3 firmware |
Affected:
<= 1.00(ACPW.2)C0
|
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CVE-2026-7287 (GCVE-0-2026-7287)
Vulnerability from nvd – Published: 2026-05-12 03:56 – Updated: 2026-05-12 12:47 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel NWA1100-N customized firmware version 1.00(AACE.1)C0 could allow an attacker to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request to a vulnerable device.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NWA1100-N firmware |
Affected:
1.00(AACE.1)C0
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CVE-2026-7257 (GCVE-0-2026-7257)
Vulnerability from nvd – Published: 2026-05-12 03:31 – Updated: 2026-05-12 12:48 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration file.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-922 - Insecure Storage of Sensitive Information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
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CVE-2026-7256 (GCVE-0-2026-7256)
Vulnerability from nvd – Published: 2026-05-12 03:25 – Updated: 2026-05-12 12:48 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
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CVE-2026-7255 (GCVE-0-2026-7255)
Vulnerability from nvd – Published: 2026-05-12 03:22 – Updated: 2026-05-12 12:50 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
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CVE-2026-1460 (GCVE-0-2026-1460)
Vulnerability from nvd – Published: 2026-04-28 02:06 – Updated: 2026-04-29 03:55
VLAI
Summary
A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | DX3301-T0 firmware |
Affected:
<= 5.50(ABVY.7.1)C0
|
|
| Zyxel | EX3301-T0 firmware |
Affected:
<= 5.50(ABVY.7.1)C0
|
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CVE-2026-0711 (GCVE-0-2026-0711)
Vulnerability from nvd – Published: 2026-04-28 01:57 – Updated: 2026-04-29 03:55
VLAI
Summary
A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | DX3300-T0 firmware |
Affected:
<= 5.50(ABVY.7.1)C0
|
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CVE-2026-6058 (GCVE-0-2026-6058)
Vulnerability from nvd – Published: 2026-04-21 01:42 – Updated: 2026-04-21 13:26 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the WLAN to cause a denial-of-service (DoS) condition in the web management interface by convincing an authenticated administrator to visit the “AP Select” page while a malformed SSID is present.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
|
Date Public
2026-04-21 02:00
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CVE-2025-13943 (GCVE-0-2025-13943)
Vulnerability from nvd – Published: 2026-02-24 02:38 – Updated: 2026-02-26 14:44
VLAI
Summary
A post-authentication command injection vulnerability in the log file download function of the Zyxel EX3301-T0 firmware versions through 5.50(ABVY.7)C0 could allow an authenticated attacker to execute operating system (OS) commands on an affected device.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | EX3301-T0 firmware |
Affected:
<= 5.50(ABVY.7)C0
|
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CVE-2026-1459 (GCVE-0-2026-1459)
Vulnerability from nvd – Published: 2026-02-24 02:48 – Updated: 2026-02-26 14:44
VLAI
Summary
A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | VMG3625-T50B firmware |
Affected:
<= 5.50(ABPM.9.7)C0
|
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CVE-2025-11848 (GCVE-0-2025-11848)
Vulnerability from nvd – Published: 2026-02-24 02:14 – Updated: 2026-02-24 20:25
VLAI
Summary
A null pointer dereference vulnerability in the Wake-on-LAN CGI program of the Zyxel VMG3625-T50B firmware version through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | VMG3625-T50B firmware |
Affected:
<= 5.50(ABPM.9.6)C0
|
|
| Zyxel | WX3100-T0 firmware |
Affected:
<= 5.50(ABVL.4.8)C0
|
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CVE-2025-13942 (GCVE-0-2025-13942)
Vulnerability from nvd – Published: 2026-02-24 02:32 – Updated: 2026-02-26 14:44
VLAI
Summary
A command injection vulnerability in the UPnP function of the Zyxel EX3510-B0 firmware versions through 5.17(ABUP.15.1)C0 could allow a remote attacker to execute operating system (OS) commands on an affected device by sending specially crafted UPnP SOAP requests.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | EX3510-B0 firmware |
Affected:
<= 5.17(ABUP.15.1)C0
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CVE-2025-11847 (GCVE-0-2025-11847)
Vulnerability from nvd – Published: 2026-02-24 02:09 – Updated: 2026-02-24 20:27
VLAI
Summary
A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | VMG3625-T50B firmware |
Affected:
<= 5.50(ABPM.9.6)C0
|
|
| Zyxel | WX3100-T0 firmware |
Affected:
<= 5.50(ABVL.4.8)C0
|
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CVE-2026-7273 (GCVE-0-2026-7273)
Vulnerability from cvelistv5 – Published: 2026-06-16 02:20 – Updated: 2026-06-18 03:55
VLAI
Summary
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48HPv2 firmware |
Affected:
<= 2.90(ABTQ.1)C0
|
|
| Zyxel | GS1900-8 firmware |
Affected:
<= 2.90(AAHH.1)C0
|
|
| Zyxel | GS1900-8HP firmware |
Affected:
<= 2.90(AAHI.1)C0
|
|
| Zyxel | GS1900-10HP firmware |
Affected:
<= 2.90(AAZI.1)C0
|
|
| Zyxel | GS1900-16 firmware |
Affected:
<= 2.90(AAHJ.1)C0
|
|
| Zyxel | GS1900-24 firmware |
Affected:
<= 2.90(AAHL.1)C0
|
|
| Zyxel | GS1900-24E firmware |
Affected:
<= 2.90(AAHK.1)C0
|
|
| Zyxel | GS1900-24EP firmware |
Affected:
<= 2.90(ABTO.1)C0
|
|
| Zyxel | GS1900-24HPv2 firmware |
Affected:
<= 2.90(ABTP.1)C0
|
|
| Zyxel | GS1900-48 firmware |
Affected:
<= 2.90(AAHN.1)C0
|
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CVE-2026-3871 (GCVE-0-2026-3871)
Vulnerability from cvelistv5 – Published: 2026-06-02 02:04 – Updated: 2026-06-02 13:34
VLAI
Summary
A buffer overflow vulnerability in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | VMG4005-B50B firmware |
Affected:
<= 5.13(ABRL.5.4)C0
|
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CVE-2026-3870 (GCVE-0-2026-3870)
Vulnerability from cvelistv5 – Published: 2026-06-02 01:54 – Updated: 2026-06-02 13:36
VLAI
Summary
A buffer overflow vulnerability in the UPnP AddPortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
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1 product
| Vendor | Product | Version | |
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| Zyxel | VMG4005-B50B firmware |
Affected:
<= 5.13(ABRL.5.4)C0
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CVE-2026-4795 (GCVE-0-2026-4795)
Vulnerability from cvelistv5 – Published: 2026-05-26 01:42 – Updated: 2026-05-26 12:18
VLAI
Summary
A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0, GS1200-5HPv3 firmware versions through 1.00(ACPU.2)C0, GS1200-8HPv3 firmware versions through 1.00(ACPV.2)C0, and GS1200-10v3 firmware versions through 1.00(ACPW.2)C0 could allow a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1200-5v3 firmware |
Affected:
<= 1.00(ACPS.2)C0
|
|
| Zyxel | GS1200-8v3 firmware |
Affected:
<= 1.00(ACPT.2)C0
|
|
| Zyxel | GS1200-5HPv3 firmware |
Affected:
<= 1.00(ACPU.2)C0
|
|
| Zyxel | GS1200-8HPv3 firmware |
Affected:
<= 1.00(ACPV.2)C0
|
|
| Zyxel | GS1200-10v3 firmware |
Affected:
<= 1.00(ACPW.2)C0
|
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CVE-2026-7287 (GCVE-0-2026-7287)
Vulnerability from cvelistv5 – Published: 2026-05-12 03:56 – Updated: 2026-05-12 12:47 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel NWA1100-N customized firmware version 1.00(AACE.1)C0 could allow an attacker to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request to a vulnerable device.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NWA1100-N firmware |
Affected:
1.00(AACE.1)C0
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CVE-2026-7257 (GCVE-0-2026-7257)
Vulnerability from cvelistv5 – Published: 2026-05-12 03:31 – Updated: 2026-05-12 12:48 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration file.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-922 - Insecure Storage of Sensitive Information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
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CVE-2026-7256 (GCVE-0-2026-7256)
Vulnerability from cvelistv5 – Published: 2026-05-12 03:25 – Updated: 2026-05-12 12:48 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
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CVE-2026-7255 (GCVE-0-2026-7255)
Vulnerability from cvelistv5 – Published: 2026-05-12 03:22 – Updated: 2026-05-12 12:50 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
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CVE-2026-1460 (GCVE-0-2026-1460)
Vulnerability from cvelistv5 – Published: 2026-04-28 02:06 – Updated: 2026-04-29 03:55
VLAI
Summary
A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | DX3301-T0 firmware |
Affected:
<= 5.50(ABVY.7.1)C0
|
|
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Affected:
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|
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CVE-2026-0711 (GCVE-0-2026-0711)
Vulnerability from cvelistv5 – Published: 2026-04-28 01:57 – Updated: 2026-04-29 03:55
VLAI
Summary
A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | DX3300-T0 firmware |
Affected:
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|
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CVE-2026-6058 (GCVE-0-2026-6058)
Vulnerability from cvelistv5 – Published: 2026-04-21 01:42 – Updated: 2026-04-21 13:26 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the WLAN to cause a denial-of-service (DoS) condition in the web management interface by convincing an authenticated administrator to visit the “AP Select” page while a malformed SSID is present.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware |
Affected:
V1.00(ABDV.3)C0
|
Date Public
2026-04-21 02:00
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CVE-2026-1459 (GCVE-0-2026-1459)
Vulnerability from cvelistv5 – Published: 2026-02-24 02:48 – Updated: 2026-02-26 14:44
VLAI
Summary
A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | VMG3625-T50B firmware |
Affected:
<= 5.50(ABPM.9.7)C0
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CVE-2025-13943 (GCVE-0-2025-13943)
Vulnerability from cvelistv5 – Published: 2026-02-24 02:38 – Updated: 2026-02-26 14:44
VLAI
Summary
A post-authentication command injection vulnerability in the log file download function of the Zyxel EX3301-T0 firmware versions through 5.50(ABVY.7)C0 could allow an authenticated attacker to execute operating system (OS) commands on an affected device.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | EX3301-T0 firmware |
Affected:
<= 5.50(ABVY.7)C0
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CVE-2025-13942 (GCVE-0-2025-13942)
Vulnerability from cvelistv5 – Published: 2026-02-24 02:32 – Updated: 2026-02-26 14:44
VLAI
Summary
A command injection vulnerability in the UPnP function of the Zyxel EX3510-B0 firmware versions through 5.17(ABUP.15.1)C0 could allow a remote attacker to execute operating system (OS) commands on an affected device by sending specially crafted UPnP SOAP requests.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | EX3510-B0 firmware |
Affected:
<= 5.17(ABUP.15.1)C0
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