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CRITICALCVE-2026-4254Published Modified CNA VulDB

CVE-2026-4254: Tenda AC8 HTTP Endpoint SysToolChangePwd doSystemCmd stack-based overflow

A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Metrics

CVSS v4.0
9.3
Severity
CRITICAL
Fixed in
Affected Products
1
Affected packages
  • Tenda / AC8
    16.03.50.0 · 16.03.50.1 · 16.03.50.2 · 16.03.50.3 · 16.03.50.4 · 16.03.50.5
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P