CVE-2026-9533

MEDIUM 6.3

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

CVSS Score

6.3

EPSS Score

2.9%

EPSS Percentile

87th

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.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	ca750-poe
Published	May 26, 2026
Last Updated	May 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / CA750-PoE

6.2c.510

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365560 vuldb.com: https://vuldb.com/vuln/365560/cti vuldb.com: https://vuldb.com/submit/813937 github.com: https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_56/56.md totolink.net: https://www.totolink.net/

Credits

🔍 Buoy_yes (VulDB User)