CVE-2020-8423

A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.

CVSS v3 7.2 HIGH
CVSS v2.0 9.0 HIGH

7.2^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://ktln2.org/2020/03/29/exploiting-mips-router/	Exploit Third Party Advisory
https://www.tp-link.com/us/security	Vendor Advisory
https://ktln2.org/2020/03/29/exploiting-mips-router/	Exploit Third Party Advisory
https://www.tp-link.com/us/security	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr841n_firmware:3.16.9:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr841n:v10:*:*:*:*:*:*:*

History

21 Nov 2024, 05:38

Type	Values Removed	Values Added
References	~~() https://ktln2.org/2020/03/29/exploiting-mips-router/ - Exploit, Third Party Advisory~~	() https://ktln2.org/2020/03/29/exploiting-mips-router/ - Exploit, Third Party Advisory
References	~~() https://www.tp-link.com/us/security - Vendor Advisory~~	() https://www.tp-link.com/us/security - Vendor Advisory

Information

Published : 2020-04-02 17:15

Updated : 2024-11-21 05:38

NVD link : CVE-2020-8423

Mitre link : CVE-2020-8423

CVE.ORG link : CVE-2020-8423

JSON object : View

Products Affected

tp-link

tl-wr841n
tl-wr841n_firmware

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2020-8423", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2020-04-02T17:15:14.490", "references": [{"url": "https://ktln2.org/2020/03/29/exploiting-mips-router/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.tp-link.com/us/security", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://ktln2.org/2020/03/29/exploiting-mips-router/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.tp-link.com/us/security", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network."}, {"lang": "es", "value": "Un desbordamiento del b\u00fafer en el demonio httpd en los dispositivos TP-Link TL-WR841N versi\u00f3n V10 (versi\u00f3n de firmware 3.16.9), permite a un atacante remoto autenticado ejecutar c\u00f3digo arbitrario por medio de una petici\u00f3n GET en la p\u00e1gina para la configuraci\u00f3n de la red Wi-Fi."}], "lastModified": "2024-11-21T05:38:49.267", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wr841n_firmware:3.16.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B81E723C-539A-41E7-8486-A8263E9491F5"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wr841n:v10:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BDC4230D-3A3A-4D0E-BBD3-79C3054E90F8"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}

7.2 /10