Medium 6.3Published May 26, 2026

CVE-2026-9531Totolink CA750-PoE Setting cstecgi.cgi setUpgradeUboot os command injection

Updated under an hour ago (Oct 26, 2026, 9:50 AM ET)

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It affects Totolink CA750-PoE. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Totolink CA750-PoE

Exploited in the last 30 days

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: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-78, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: May 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink CA750-PoE totolink:ca750-poe	6.2c.510	CNA record

References

https://vuldb.com/vuln/365558vdb-entry, technical-description
https://vuldb.com/vuln/365558/ctisignature, permissions-required
https://vuldb.com/submit/813929third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_54/54.mdexploit
https://www.totolink.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.