CVE-2022-4498: A vulnerable HTTP Basic Authentication process in TP-Link routers, Archer C5 and WR710N-V1, is susceptible to either a DoS or an arbitrary code execution via any interface.

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-11 · updated 2026-06-17
Weakness: CWE-787

Description

In TP-Link routers, Archer C5 and WR710N-V1, running the latest available code, when receiving HTTP Basic Authentication the httpd service can be sent a crafted packet that causes a heap overflow. This can result in either a DoS (by crashing the httpd process) or an arbitrary code execution.

Affected products

TP-Link Archer C5 Firmware: 2_160201_us
TP-Link Tl-Wr710N Firmware: 1_151022_us

References

https://kb.cert.org/vuls/id/572615
https://kb.cert.org/vuls/id/572615
https://www.kb.cert.org/vuls/id/572615

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