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CVE-2026-7203

Totolink A8000RU CGI cstecgi.cgi setUrlFilterRules os command injection

CVSS 9.3 CRITICALEPSS 2.4%CWE-77CWE-78
Vexday Risk Score
48Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 9.3EPSS 2.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
28 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be launched 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 · A8000RU
public PoCs found — 1
cve_referencegithub.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_322/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_322/README.mdhttps://vuldb.com/submit/801528https://vuldb.com/vuln/359803https://vuldb.com/vuln/359803/ctihttps://www.totolink.net/