CVE-2026-5852

Totolink A7100RU CGI cstecgi.cgi setIptvCfg os command injection

CVSS 9.3 CRITICALEPSS 14.3%CWE-77 CWE-78

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 PoCs found — 1

cve_referencegithub.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.mdunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.md https://vuldb.com/submit/791272 https://vuldb.com/vuln/356378 https://vuldb.com/vuln/356378/cti https://www.totolink.net/