CVE-2021-28838 (GCVE-0-2021-28838)
Vulnerability from cvelistv5 – Published: 2021-08-10 17:23 – Updated: 2024-08-03 21:55
VLAI
EPSS
VEX
Summary
Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi' operation when a specific network package are sent to the httpd binary.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.dlink.com/en/security-bulletin/ | x_refsource_MISC |
| https://github.com/zyw-200/EQUAFL/blob/main/dlink… | x_refsource_MISC |
| https://github.com/zyw-200/EQUAFL/blob/main/dlink… | x_refsource_MISC |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T21:55:11.624Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.dlink.com/en/security-bulletin/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi\u0027 operation when a specific network package are sent to the httpd binary."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-08-10T17:23:52.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.dlink.com/en/security-bulletin/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-28838",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi\u0027 operation when a specific network package are sent to the httpd binary."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.dlink.com/en/security-bulletin/",
"refsource": "MISC",
"url": "https://www.dlink.com/en/security-bulletin/"
},
{
"name": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf",
"refsource": "MISC",
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
},
{
"name": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf",
"refsource": "MISC",
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-28838",
"datePublished": "2021-08-10T17:23:52.000Z",
"dateReserved": "2021-03-19T00:00:00.000Z",
"dateUpdated": "2024-08-03T21:55:11.624Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-28838",
"date": "2026-10-02",
"epss": "0.0222",
"percentile": "0.82067"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2310_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C766E14A-1A33-4C16-9418-A5C39A465FB7",
"versionEndIncluding": "2.10rc039",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2310:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8C5F3D97-3CFE-41B9-9C8B-832445EA92B0",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2330_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0093577A-58C8-46A2-AC77-13A962B9E79C",
"versionEndExcluding": "1.10rc036",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-2330_firmware:1.10rc036:beta:*:*:*:*:*:*",
"matchCriteriaId": "D75CB7C3-2FEA-4958-A9E5-D00BBDB13EF7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2330:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9ABC8839-D62A-4AAB-A9D2-AFE95CBB9B17",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2360_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2A9FE101-CEEC-4628-9841-8BF2CF2C2E53",
"versionEndIncluding": "2.10rc055",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2360:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E7AE9A88-AD97-41A5-9847-4282788EBB1E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2553_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "82278F9A-0167-4AA2-9205-E896BCAF9DF8",
"versionEndExcluding": "3.10rc039",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-2553_firmware:3.10rc039:beta:*:*:*:*:*:*",
"matchCriteriaId": "1389EADA-A252-4F88-8D62-0232397620F9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2553:-:*:*:*:*:*:*:*",
"matchCriteriaId": "20BA9382-B0D4-4E7C-A198-067AA65AB190",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2660_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6757587C-3A7C-4D1B-8DAC-42638F5B2D81",
"versionEndIncluding": "1.15rc131b",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2660:-:*:*:*:*:*:*:*",
"matchCriteriaId": "41EFE653-296E-4E37-9DCC-BAF99C4AD2F3",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2690_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B86790E9-832E-47EA-9875-1E4CE367C91E",
"versionEndExcluding": "3.20rc115",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-2690_firmware:3.20rc115:beta:*:*:*:*:*:*",
"matchCriteriaId": "D949F1F7-C157-44E5-9F16-527E2891706F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2690:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3B827A81-49A8-4AFD-943A-3F359615E49D",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2695_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FF585CC2-FE67-468B-AED9-2577219BD423",
"versionEndIncluding": "1.20rc093",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2695:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9039DA66-D624-4590-B236-101B775C5956",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-3320_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7D790C29-76BD-42E9-A60D-8E734AF60E8B",
"versionEndExcluding": "1.05rc027",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-3320_firmware:1.05rc027:beta:*:*:*:*:*:*",
"matchCriteriaId": "CDD601D1-0B67-4884-8A03-F7766568685E",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-3320:-:*:*:*:*:*:*:*",
"matchCriteriaId": "95D03B33-E8D6-4ED3-AED3-8FBDE80C74CB",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-3662_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8C136448-905B-4614-837C-FB5D021E02A5",
"versionEndExcluding": "1.05rc069",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-3662_firmware:1.05rc069:beta:*:*:*:*:*:*",
"matchCriteriaId": "A8E565BE-C308-4CDE-A2CA-AA1EE184C062",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-3662:-:*:*:*:*:*:*:*",
"matchCriteriaId": "07645866-3B61-46AB-85C6-ED86F1B0D47F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"descriptions": [
{
"lang": "en",
"value": "Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi\u0027 operation when a specific network package are sent to the httpd binary."
},
{
"lang": "es",
"value": "Una vulnerabilidad de Desreferencia de Puntero Null en D-Link DAP-2310 versi\u00f3n 2,10RC039, DAP-2330 versi\u00f3n 1.10RC036 BETA, DAP-2360 versi\u00f3n 2.10RC055, DAP-2553 versi\u00f3n 3.10rc039 BETA, DAP-2660 versi\u00f3n 1. 15rc131b, DAP-2690 versi\u00f3n 3.20RC115 BETA, DAP-2695 versi\u00f3n 1.20RC093, DAP-3320 versi\u00f3n 1.05RC027 BETA y DAP-3662 versi\u00f3n 1.05rc069, en el binario sbin/httpd. El bloqueo se produce en la operaci\u00f3n \"atoi\" cuando es enviado un paquete de red espec\u00edfico al binario httpd"
}
],
"id": "CVE-2021-28838",
"lastModified": "2024-11-21T06:00:18.183",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-08-10T18:15:07.137",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dlink.com/en/security-bulletin/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dlink.com/en/security-bulletin/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2310_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C766E14A-1A33-4C16-9418-A5C39A465FB7",
"versionEndIncluding": "2.10rc039",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2310:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8C5F3D97-3CFE-41B9-9C8B-832445EA92B0",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2330_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0093577A-58C8-46A2-AC77-13A962B9E79C",
"versionEndExcluding": "1.10rc036",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-2330_firmware:1.10rc036:beta:*:*:*:*:*:*",
"matchCriteriaId": "D75CB7C3-2FEA-4958-A9E5-D00BBDB13EF7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2330:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9ABC8839-D62A-4AAB-A9D2-AFE95CBB9B17",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2360_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2A9FE101-CEEC-4628-9841-8BF2CF2C2E53",
"versionEndIncluding": "2.10rc055",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2360:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E7AE9A88-AD97-41A5-9847-4282788EBB1E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2553_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "82278F9A-0167-4AA2-9205-E896BCAF9DF8",
"versionEndExcluding": "3.10rc039",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-2553_firmware:3.10rc039:beta:*:*:*:*:*:*",
"matchCriteriaId": "1389EADA-A252-4F88-8D62-0232397620F9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2553:-:*:*:*:*:*:*:*",
"matchCriteriaId": "20BA9382-B0D4-4E7C-A198-067AA65AB190",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2660_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6757587C-3A7C-4D1B-8DAC-42638F5B2D81",
"versionEndIncluding": "1.15rc131b",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2660:-:*:*:*:*:*:*:*",
"matchCriteriaId": "41EFE653-296E-4E37-9DCC-BAF99C4AD2F3",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2690_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B86790E9-832E-47EA-9875-1E4CE367C91E",
"versionEndExcluding": "3.20rc115",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-2690_firmware:3.20rc115:beta:*:*:*:*:*:*",
"matchCriteriaId": "D949F1F7-C157-44E5-9F16-527E2891706F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2690:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3B827A81-49A8-4AFD-943A-3F359615E49D",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-2695_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FF585CC2-FE67-468B-AED9-2577219BD423",
"versionEndIncluding": "1.20rc093",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-2695:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9039DA66-D624-4590-B236-101B775C5956",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-3320_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7D790C29-76BD-42E9-A60D-8E734AF60E8B",
"versionEndExcluding": "1.05rc027",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-3320_firmware:1.05rc027:beta:*:*:*:*:*:*",
"matchCriteriaId": "CDD601D1-0B67-4884-8A03-F7766568685E",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-3320:-:*:*:*:*:*:*:*",
"matchCriteriaId": "95D03B33-E8D6-4ED3-AED3-8FBDE80C74CB",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dlink:dap-3662_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8C136448-905B-4614-837C-FB5D021E02A5",
"versionEndExcluding": "1.05rc069",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dlink:dap-3662_firmware:1.05rc069:beta:*:*:*:*:*:*",
"matchCriteriaId": "A8E565BE-C308-4CDE-A2CA-AA1EE184C062",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:dlink:dap-3662:-:*:*:*:*:*:*:*",
"matchCriteriaId": "07645866-3B61-46AB-85C6-ED86F1B0D47F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi\u0027 operation when a specific network package are sent to the httpd binary."
},
{
"lang": "es",
"value": "Una vulnerabilidad de Desreferencia de Puntero Null en D-Link DAP-2310 versi\u00f3n 2,10RC039, DAP-2330 versi\u00f3n 1.10RC036 BETA, DAP-2360 versi\u00f3n 2.10RC055, DAP-2553 versi\u00f3n 3.10rc039 BETA, DAP-2660 versi\u00f3n 1. 15rc131b, DAP-2690 versi\u00f3n 3.20RC115 BETA, DAP-2695 versi\u00f3n 1.20RC093, DAP-3320 versi\u00f3n 1.05RC027 BETA y DAP-3662 versi\u00f3n 1.05rc069, en el binario sbin/httpd. El bloqueo se produce en la operaci\u00f3n \"atoi\" cuando es enviado un paquete de red espec\u00edfico al binario httpd"
}
],
"id": "CVE-2021-28838",
"lastModified": "2024-11-21T06:00:18.183",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-08-10T18:15:07.137",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dlink.com/en/security-bulletin/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dlink.com/en/security-bulletin/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T14:20:12+00:00",
"cve": "CVE-2021-28838",
"id": "CVE-2021-28838",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-28838",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-28838.json",
"version": "3"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…