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CVE-2026-7121criticalCWE-77CWE-78

Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection

48Vexday Risk Score

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

ssvc Attendcvss 9.3epss 1.9%
exploitation probability
1.9%top 22% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published 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.