CVE-2026-5854

Totolink A7100RU CGI cstecgi.cgi setWiFiEasyCfg os command injection

CVSS 9.3 CRITICALEPSS 17.5%CWE-77 CWE-78

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection. It is possible to initiate the attack remotely. The exploit is now public 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 PoCs found — 1

cve_referencegithub.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_160/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_160/README.md https://vuldb.com/submit/791276 https://vuldb.com/vuln/356380 https://vuldb.com/vuln/356380/cti https://www.totolink.net/