CVE-2026-9432criticalCWE-77CWE-78

CVE-2026-9432: critical vulnerability in Totolink A8000RU

Totolink A8000RU Web Management cstecgi.cgi setWiFiAdvancedCfg os command injection

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48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3epss 1.7%
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
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
Affected products
Totolink · A8000RU
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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