CVE-2026-19980 (GCVE-0-2026-19980)
Vulnerability from cvelistv5 – Published: 2026-08-17 03:45 – Updated: 2026-08-19 14:51
VLAI
EPSS
VEX
Title
GL.iNet XE3000 Language Update ui.update_langs code injection
Summary
A security flaw has been discovered in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. Affected by this issue is the function ui.update_langs of the component Language Update. Performing a manipulation of the argument hour/min/week results in code injection. The attack can be initiated remotely. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 14:51 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/391162 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/391162/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19980 | third-party-advisory |
| https://vuldb.com/submit/873916 | third-party-advisory |
| https://github.com/gl-inet/CVE-issues/blob/main/4… | patch |
Impacted products
17 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| GL.iNet | A1300 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:a1300:*:*:*:*:*:*:*:* |
||
| GL.iNet | AX1800 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:ax1800:*:*:*:*:*:*:*:* |
||
| GL.iNet | AXT1800 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:axt1800:*:*:*:*:*:*:*:* |
||
| GL.iNet | BE1400 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:be1400:*:*:*:*:*:*:*:* |
||
| GL.iNet | BE3600 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:be3600:*:*:*:*:*:*:*:* |
||
| GL.iNet | BE6500 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:be6500:*:*:*:*:*:*:*:* |
||
| GL.iNet | BE9300 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:* |
||
| GL.iNet | BE10000 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:be10000:*:*:*:*:*:*:*:* |
||
| GL.iNet | E5800 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:e5800:*:*:*:*:*:*:*:* |
||
| GL.iNet | MT2500 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:mt2500:*:*:*:*:*:*:*:* |
||
| GL.iNet | MT3000 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:* |
||
| GL.iNet | MT3600BE |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:mt3600be:*:*:*:*:*:*:*:* |
||
| GL.iNet | MT5000 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:mt5000:*:*:*:*:*:*:*:* |
||
| GL.iNet | MT6000 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:* |
||
| GL.iNet | X2000 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:x2000:*:*:*:*:*:*:*:* |
||
| GL.iNet | X3000 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:* |
||
| GL.iNet | XE3000 |
Affected:
4.0
Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4 Affected: 4.5 Affected: 4.6 Affected: 4.7 Affected: 4.8 cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:* |
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{
"status": "affected",
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{
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{
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{
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{
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{
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},
{
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],
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"Language Update"
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{
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"version": "4.0"
},
{
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
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{
"status": "affected",
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{
"status": "affected",
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{
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{
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}
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},
{
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"cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:*"
],
"modules": [
"Language Update"
],
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"vendor": "GL.iNet",
"versions": [
{
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"version": "4.0"
},
{
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{
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"version": "4.2"
},
{
"status": "affected",
"version": "4.3"
},
{
"status": "affected",
"version": "4.4"
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{
"status": "affected",
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{
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},
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},
{
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{
"status": "affected",
"version": "4.3"
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{
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"version": "4.4"
},
{
"status": "affected",
"version": "4.5"
},
{
"status": "affected",
"version": "4.6"
},
{
"status": "affected",
"version": "4.7"
},
{
"status": "affected",
"version": "4.8"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "GLiNet (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. Affected by this issue is the function ui.update_langs of the component Language Update. Performing a manipulation of the argument hour/min/week results in code injection. The attack can be initiated remotely. The vendor explains: \"After our investigation, we have confirmed that the vulnerability described (...) does indeed exist.\""
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.4,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:X/RC:R",
"version": "3.1"
}
},
{
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\"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"BE3600\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:be6500:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"BE6500\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"BE9300\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:be10000:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"BE10000\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:e5800:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"E5800\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:mt2500:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"MT2500\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"MT3000\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:mt3600be:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"MT3600BE\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:mt5000:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"MT5000\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"MT6000\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:x2000:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"X2000\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"X3000\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}, {\"cpes\": [\"cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:*\"], \"vendor\": \"GL.iNet\", \"modules\": [\"Language Update\"], \"product\": \"XE3000\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"affected\", \"version\": \"4.3\"}, {\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"affected\", \"version\": \"4.5\"}, {\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"affected\", \"version\": \"4.8\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-08-16T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-08-16T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-08-16T15:43:43.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/391162\", \"name\": \"VDB-391162 | GL.iNet XE3000 Language Update ui.update_langs code injection\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/vuln/391162/cti\", \"name\": \"VDB-391162 | CTI Indicators (IOB, IOC, TTP, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-19980\", \"name\": \"CVE-2026-19980 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/873916\", \"name\": \"Submit #873916 | GL.iNet Router 4.8.x RCE\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Language%20Auto-Update%20Cron%20RCE.md\", \"tags\": [\"patch\"]}], \"x_generator\": [\"VulDB PVTS v202608\"], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A security flaw has been discovered in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. Affected by this issue is the function ui.update_langs of the component Language Update. Performing a manipulation of the argument hour/min/week results in code injection. The attack can be initiated remotely. The vendor explains: \\\"After our investigation, we have confirmed that the vulnerability described (...) does indeed exist.\\\"\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"Code Injection\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-74\", \"description\": \"Injection\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-08-17T03:45:07.917Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-19980\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-19T14:51:26.467Z\", \"dateReserved\": \"2026-08-16T13:38:15.897Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-08-17T03:45:07.917Z\", \"assignerShortName\": \"VulDB\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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