Improper Access Controls in TOTOLINK A3000RU Syslog Configuration
CVE-2025-2688

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
A3000ru
Vendor
CVE Published:
24 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2688?

A vulnerability discovered in the TOTOLINK A3000RU device allows unauthorized access through the /cgi-bin/ExportSyslog.sh component, impacting Syslog configuration. This vulnerability relies on improper access controls, which can be exploited only within the local network environment. The exploit has been made public, raising security concerns for users of the affected firmware versions, particularly those prior to 5.9c.5185.

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Affected Version(s)

A3000RU 5.9c.5185

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-2025-2688 - Proof of Concept

References

https://vuldb.com/?id.300709
vdb-entry
https://vuldb.com/?ctiid.300709
signaturepermissions-required
https://vuldb.com/?submit.521570
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Adjacent 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

wxhwxhwxh_mie (VulDB User)
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