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CVE-2026-7538

Totolink A8000RU CGI cstecgi.cgi vulnerability os command injection

CVSS 9.3 CRITICALEPSS 1.8%CWE-77CWE-78
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function Vulnerability of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument proto leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might 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_329/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_329/README.mdhttps://vuldb.com/submit/804321https://vuldb.com/vuln/360354https://vuldb.com/vuln/360354/ctihttps://www.totolink.net/