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CVE-2026-5851criticalCWE-77CWE-78

Totolink A7100RU CGI cstecgi.cgi setUPnPCfg os command injection

53Vexday Risk Score

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

ssvc Attendcvss 9.3epss 14%
exploitation probability
14%top 4% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be executed 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 · A7100RU
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.