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CVE-2026-7538criticalCWE-77CWE-78

Totolink A8000RU CGI cstecgi.cgi vulnerability os command injection

48Vexday Risk Score

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

ssvc Attendcvss 9.3epss 1.8%
exploitation probability
1.8%top 23% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function Vulnerability of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument proto leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.
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.