← back
CVE-2026-9531

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

CVSS 5.3 MEDIUMEPSS 1.8%CWE-77CWE-78
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 1.8%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
26 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A weakness has been identified in Totolink CA750-PoE 6.2c.510. Impacted is the function setUpgradeUboot of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out 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: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_54/54.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →
References
https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_54/54.mdhttps://vuldb.com/submit/813929https://vuldb.com/vuln/365558https://vuldb.com/vuln/365558/ctihttps://www.totolink.net/