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ID

VAR-202104-1458


CVE

CVE-2021-29302


TITLE

TP-Link TL-WR802N (US) and Archer_C50v5_US buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2021-36021

DESCRIPTION

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. TP-Link TL-WR802N is a wireless router of China's TP-Link company. Attackers can use this vulnerability to execute code remotely

Trust: 1.53

sources: NVD: CVE-2021-29302 // CNVD: CNVD-2021-36021 // VULMON: CVE-2021-29302

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-36021

AFFECTED PRODUCTS

vendor:tp linkmodel:tl-wr802nscope:lteversion:2020.06

Trust: 1.0

vendor:tp linkmodel:tl-wr802n <=4 200scope:eqversion:2020.06

Trust: 0.6

vendor:tp linkmodel:archer c50v5 us <=4 200scope:eqversion:2020.06

Trust: 0.6

sources: CNVD: CNVD-2021-36021 // NVD: CVE-2021-29302

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-29302
value: HIGH

Trust: 1.0

CNVD: CNVD-2021-36021
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202104-696
value: HIGH

Trust: 0.6

VULMON: CVE-2021-29302
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-29302
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

CNVD: CNVD-2021-36021
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-29302
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.2
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2021-36021 // VULMON: CVE-2021-29302 // CNNVD: CNNVD-202104-696 // NVD: CVE-2021-29302

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

sources: NVD: CVE-2021-29302

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-696

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202104-696

PATCH

title:Patch for TP-Link TL-WR802N (US) and Archer_C50v5_US buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/265816

Trust: 0.6

title:TP-Link TL-WR802N Buffer Overflow Vulnerability Fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=147268

Trust: 0.6

title:Firmware Analysis Plus (Fap)url:https://github.com/liyansong2018/firmware-analysis-plus

Trust: 0.1

sources: CNVD: CNVD-2021-36021 // VULMON: CVE-2021-29302 // CNNVD: CNNVD-202104-696

EXTERNAL IDS

db:NVDid:CVE-2021-29302

Trust: 2.3

db:CNVDid:CNVD-2021-36021

Trust: 0.6

db:CNNVDid:CNNVD-202104-696

Trust: 0.6

db:VULMONid:CVE-2021-29302

Trust: 0.1

sources: CNVD: CNVD-2021-36021 // VULMON: CVE-2021-29302 // CNNVD: CNNVD-202104-696 // NVD: CVE-2021-29302

REFERENCES

url:https://www.tp-link.com/us/support/download/tl-wr802n/#firmware

Trust: 1.6

url:https://github.com/liyansong2018/cve/tree/main/2021/cve-2021-29302

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-29302

Trust: 1.2

url:https://static.tp-link.com/beta/2021/202103/20210319/tl-wr802nv4_us_0.9.1_3.17_up_boot%5b210317-rel64474%5d.zip

Trust: 1.0

url:https://static.tp-link.com/beta/2021/202103/20210319/tl-wr802nv4_us_0.9.1_3.17_up_boot[210317-rel64474].zip

Trust: 0.6

sources: CNVD: CNVD-2021-36021 // CNNVD: CNNVD-202104-696 // NVD: CVE-2021-29302

SOURCES

db:CNVDid:CNVD-2021-36021
db:VULMONid:CVE-2021-29302
db:CNNVDid:CNNVD-202104-696
db:NVDid:CVE-2021-29302

LAST UPDATE DATE

2024-11-23T22:25:04.726000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-36021date:2021-05-20T00:00:00
db:VULMONid:CVE-2021-29302date:2023-11-07T00:00:00
db:CNNVDid:CNNVD-202104-696date:2021-04-22T00:00:00
db:NVDid:CVE-2021-29302date:2024-11-21T06:00:56.903

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-36021date:2021-05-20T00:00:00
db:VULMONid:CVE-2021-29302date:2021-04-12T00:00:00
db:CNNVDid:CNNVD-202104-696date:2021-04-12T00:00:00
db:NVDid:CVE-2021-29302date:2021-04-12T19:15:14.580