← back
CVE-2026-6140

Totolink A7100RU CGI cstecgi.cgi UploadFirmwareFile os command injection

CVSS 9.3 CRITICALEPSS 2.2%CWE-77CWE-78
A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument FileName results in os command injection. The attack may be initiated remotely. The exploit has been made public and could 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_193/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_193/README.mdhttps://vuldb.com/submit/792987https://vuldb.com/vuln/357004https://vuldb.com/vuln/357004/ctihttps://www.totolink.net/