OS Command Injection in Totolink CA750-PoE Product
CVE-2026-9513

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
Ca750-poe
Vendor
CVE Published:
25 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9513?

A security flaw exists in the Totolink CA750-PoE firmware version 6.2c.510, specifically within the NTPSyncWithHost function of the /cgi-bin/cstecgi.cgi file. This vulnerability allows an attacker to inject arbitrary operating system commands remotely by manipulating the host_time argument. Publicly available exploit codes for this issue increase the risk of unauthorized access and control, making it essential for users to apply necessary security measures to mitigate the potential impact.

Affected Version(s)

CA750-PoE 6.2c.510

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9513 - Proof of Concept

References

https://vuldb.com/vuln/365513
vdb-entrytechnical-description
https://vuldb.com/vuln/365513/cti
signaturepermissions-required
https://vuldb.com/submit/813924
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Buoy_yes (VulDB User)
.