CVE-2021-29302

TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution.

CVSS v3 8.1 HIGH
CVSS v2.0 9.3 HIGH

8.1^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302	Exploit Third Party Advisory
https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip
https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware	Vendor Advisory
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302	Exploit Third Party Advisory
https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip
https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr802n_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr802n:v4:*:*:*:*:*:*:*

History

21 Nov 2024, 06:00

Type	Values Removed	Values Added
References	~~() https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302 - Exploit, Third Party Advisory~~	() https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302 - Exploit, Third Party Advisory
References	~~() https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip -~~	() https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip -
References	~~() https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware - Vendor Advisory~~	() https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware - Vendor Advisory

Information

Published : 2021-04-12 19:15

Updated : 2024-11-21 06:00

NVD link : CVE-2021-29302

Mitre link : CVE-2021-29302

CVE.ORG link : CVE-2021-29302

JSON object : View

Products Affected

tp-link

tl-wr802n
tl-wr802n_firmware

CWE

CWE-120

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

{"id": "CVE-2021-29302", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2021-04-12T19:15:14.580", "references": [{"url": "https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip", "source": "cve@mitre.org"}, {"url": "https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.tp-link.com/us/support/download/tl-wr802n/#Firmware", "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": "TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution."}, {"lang": "es", "value": "TP-Link TL-WR802N (EE. UU.), Archer_C50v5_US v4_200 versiones 2020.06 incluy\u00e9ndola, contiene una vulnerabilidad de desbordamiento de b\u00fafer en el proceso httpd en el cuerpo del mensaje. El vector de ataque es: el atacante puede obtener el shell del enrutador mediante el env\u00edo de un mensaje por medio de la red, lo que puede conllevar a una ejecuci\u00f3n de c\u00f3digo remota"}], "lastModified": "2024-11-21T06:00:56.903", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wr802n_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F0E493B9-213E-4D3B-B18F-B4D48296CAFF", "versionEndIncluding": "2020.06"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wr802n:v4:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8FA6C0FF-B3F6-41CA-A0CD-FBF40EDC413B"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}

8.1 /10