CVE-2021-37774

An issue was discovered in function httpProcDataSrv in TL-WDR7660 2.0.30 that allows attackers to execute arbitrary code.

CVSS v3 8.0 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/fishykz/TP-POC	Exploit Third Party Advisory
https://github.com/fishykz/TP-POC	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wdr7660_firmware:2.0.30:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wdr7660:-:*:*:*:*:*:*:*

History

04 Apr 2025, 16:15

Type	Values Removed	Values Added
CWE		CWE-94

21 Nov 2024, 06:15

Type	Values Removed	Values Added
References	~~() https://github.com/fishykz/TP-POC - Exploit, Third Party Advisory~~	() https://github.com/fishykz/TP-POC - Exploit, Third Party Advisory

Information

Published : 2023-01-19 13:15

Updated : 2025-04-04 16:15

NVD link : CVE-2021-37774

Mitre link : CVE-2021-37774

CVE.ORG link : CVE-2021-37774

JSON object : View

Products Affected

tp-link

tl-wdr7660
tl-wdr7660_firmware

CWE

NVD-CWE-noinfo CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2021-37774", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}]}, "published": "2023-01-19T13:15:13.747", "references": [{"url": "https://github.com/fishykz/TP-POC", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/fishykz/TP-POC", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in function httpProcDataSrv in TL-WDR7660 2.0.30 that allows attackers to execute arbitrary code."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en la funci\u00f3n httpProcDataSrv en TL-WDR7660 2.0.30 que permite a los atacantes ejecutar c\u00f3digo arbitrario."}], "lastModified": "2025-04-04T16:15:15.990", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wdr7660_firmware:2.0.30:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EDCCEB50-2061-4752-882A-A0DB7FF3C8C3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wdr7660:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "45C162F6-EBA0-4DCC-8D8B-7FF1B670C79B"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}