CVE-2026-9533

MEDIUM

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

Title source: cna

Description

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.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-365560 | Totolink CA750-PoE Setting cstecgi.cgi recvUpgradeNewFw os command injection

https://vuldb.com/vuln/365560

Signature, Permissions Required signature permissions-required

VDB-365560 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/365560/cti

Third Party Advisory third-party-advisory

Submit #813937 | TOTOLink CA750-PoE V6.2c.510 Command Injection

https://vuldb.com/submit/813937

Exploit exploit

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_56/56.md

View Exploit ZIP pw:eip

Product product

https://www.totolink.net/

Scores

CVSS v3 6.3

EPSS 0.0368

EPSS Percentile 88.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-77 CWE-78

Status published

Products (1)

Totolink/CA750-PoE 6.2c.510

Published May 26, 2026

Tracked Since May 26, 2026