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CVE-2026-9511

Totolink CA750-PoE Setting cstecgi.cgi setWebWlanIdx os command injection

CVSS 5.3 MEDIUMEPSS 1.1%CWE-77CWE-78
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 1.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
25 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
Totolink · CA750-PoE
public PoCs found — 1
cve_referencegithub.com/wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.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/wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.mdhttps://vuldb.com/submit/813922https://vuldb.com/vuln/365511https://vuldb.com/vuln/365511/ctihttps://www.totolink.net/