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CVE-2026-6139

Totolink A7100RU CGI cstecgi.cgi UploadOpenVpnCert os command injection

CVSS 9.3 CRITICALEPSS 1.8%CWE-77CWE-78
A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the 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_192/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_192/README.mdhttps://vuldb.com/submit/792982https://vuldb.com/vuln/357003https://vuldb.com/vuln/357003/ctihttps://www.totolink.net/