OS Command Injection Vulnerability in TOTOLINK CA300-PoE Product
CVE-2025-6621

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
Ca300-poe
Vendor
CVE Published:
25 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6621?

A vulnerability has been identified in TOTOLINK CA300-PoE version 6.2c.884 that allows for OS command injection via the QuickSetting function in the ap.so file. The flaw arises from improper handling of arguments, specifically those related to time settings such as hour/minute. Attackers can exploit this vulnerability remotely, granting them the ability to execute arbitrary commands on the affected system. This incident emphasizes the importance of securing IoT devices to mitigate risks associated with unauthorized access.

Affected Version(s)

CA300-PoE 6.2c.884

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-2025-6621 - Proof of Concept

References

https://vuldb.com/?id.313839
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313839
signaturepermissions-required
https://vuldb.com/?submit.602266
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

pjqwudi (VulDB User)
.
CVE-2025-6621 : OS Command Injection Vulnerability in TOTOLINK CA300-PoE Product