CVE-2026-6155

Totolink A7100RU CGI cstecgi.cgi setWanCfg os command injection

CVSS 9.3 CRITICALEPSS 1.8%CWE-77 CWE-78

A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument pppoeServiceName can lead to os command injection. The attack may be launched 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_196/README.mdunverified

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

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_196/README.md https://vuldb.com/submit/793679 https://vuldb.com/vuln/357035 https://vuldb.com/vuln/357035/cti https://www.totolink.net/