CVE-2022-4499: TP-Link Archer c5 Firmware

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.

Affected products

  • TP-Link Archer c5 Firmware: version 2_160201_us only
  • TP-Link Tl-WR710N Firmware: version 1_151022_us only

Published 2023-01-11. Last modified 2026-06-17.