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CVE-2026-6138criticalCWE-77CWE-78

Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg 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 flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack can be initiated 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 · A7100RU
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.