Vulnerability · Published Jan 11, 2023 · Assigned by certcc
CVE-2022-4499The strcmp function in TP-Link routers, Archer C5 and WR710N-V1, used for checking credentials in httpd, is susceptible to a side-channel attack.
High 7.5
In plain English
A high-severity security flaw in Archer C5 from TP-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.