CVE-2021-29302: tp-link tl-wr802n_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2021-29302 is a high (CVSS 9.3) Classic Buffer Overflow vulnerability in tp-link tl-wr802n_firmware. EPSS estimates a 5.91% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 12-04-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.