CVE-2022-4499

HIGH

TP-Link Archer C5 and WR710N-V1 - Timing Side-Channel Attack via strcmp Credential Check

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry
https://kb.cert.org/vuls/id/572615
Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/572615

Scores

CVSS v3 7.5
EPSS 0.0011
EPSS Percentile 29.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-203
Status published
Products (2)
tp-link/archer_c5_firmware 2_160201_us
tp-link/tl-wr710n_firmware 1_151022_us
Published Jan 11, 2023
Tracked Since Feb 18, 2026