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CVE-2026-7138criticalCWE-77CWE-78

Totolink A8000RU CGI cstecgi.cgi setNtpCfg 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 24% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setNtpCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tz results in os command injection. The attack can be executed remotely. The exploit is now public and may 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.