Vulnerability Details CVE-2026-4254
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.2%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
Products affected by CVE-2026-4254
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cpe:2.3:h:tenda:ac8:5.0
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cpe:2.3:o:tenda:ac8_firmware:03.03.10.01
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cpe:2.3:o:tenda:ac8_firmware:16.03.10.20
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cpe:2.3:o:tenda:ac8_firmware:16.03.33.05
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cpe:2.3:o:tenda:ac8_firmware:16.03.34.06
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cpe:2.3:o:tenda:ac8_firmware:16.03.34.09