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CVE-2026-7156

Totolink A8000RU CGI cstecgi.cgi CsteSystem os command injection

CVSS 9.3 CRITICALEPSS 1.8%CWE-77CWE-78
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument HTTP results in os command injection. The attack may be launched 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 · A8000RU
public PoCs found — 1
cve_referencegithub.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_320/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_new2/blob/main/A8000RU/vul_320/README.mdhttps://vuldb.com/submit/801142https://vuldb.com/vuln/359755https://vuldb.com/vuln/359755/ctihttps://www.totolink.net/