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CVE-2026-9433

Totolink A8000RU Web Management cstecgi.cgi setMacFilterRules os command injection

CVSS 9.3 CRITICALEPSS 1.7%CWE-77CWE-78
Vexday Risk Score
48Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 9.3EPSS 1.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
25 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument enable causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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_354/README.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_354/README.mdhttps://vuldb.com/submit/813906https://vuldb.com/vuln/365414https://vuldb.com/vuln/365414/ctihttps://www.totolink.net/