CVE-2023-36354: tp-link tl-wr740n_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2023-36354 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in tp-link tl-wr740n_firmware. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 22-06-2023
   PublishedVulnerability first disclosed.
2. 02-12-2024
   Last modifiedVulnerability information updated.

Description

TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR740N V1/V2, TL-WR940N V2/V3, and TL-WR941ND V5/V6 were discovered to contain a buffer overflow in the component /userRpm/AccessCtrlTimeSchedRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

• 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.