CVE-2026-9531

MEDIUM

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

Title source: cna

Description

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.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-365558 | Totolink CA750-PoE Setting cstecgi.cgi setUpgradeUboot os command injection

https://vuldb.com/vuln/365558

Signature, Permissions Required signature permissions-required

VDB-365558 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/365558/cti

Third Party Advisory third-party-advisory

Submit #813929 | TOTOLink CA750-PoE V6.2c.510 Command Injection

https://vuldb.com/submit/813929

Exploit exploit

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_54/54.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