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CVE-2026-5852criticalCWE-77CWE-78

Totolink A7100RU CGI cstecgi.cgi setIptvCfg 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 weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could 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.