Medium 6.3Published May 26, 2026

CVE-2026-9533Totolink CA750-PoE Setting cstecgi.cgi recvUpgradeNewFw os command injection

Updated under an hour ago (Oct 26, 2026, 8:50 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 vulnerability was detected in Totolink CA750-PoE 6.2c.510. The impacted element is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Performing a manipulation of the argument fwUrl/magicid results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

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 27, 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/365560vdb-entry, technical-description
https://vuldb.com/vuln/365560/ctisignature, permissions-required
https://vuldb.com/submit/813937third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_56/56.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.