How to fix CVE-2025-2688?

Within 30 days: Identify affected systems running TOTOLINK A3000RU and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Is A3000Ru Firmware affected by CVE-2025-2688?

Organizations using TOTOLINK A3000RU should be aware of moderate risk from CVE-2025-2688 rated CVSS 5.3. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available.

CVE-2025-2688

MEDIUM

2025-03-24 [email protected]

5.3

CVSS 4.0

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:33 vuln.today

PoC Detected

Jul 02, 2025 - 18:03 vuln.today

Public exploit code

CVE Published

Mar 24, 2025 - 07:15 nvd

MEDIUM 5.3

Description

A vulnerability classified as problematic was found in TOTOLINK A3000RU up to 5.9c.5185. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/ExportSyslog.sh of the component Syslog Configuration File Handler. The manipulation leads to improper access controls. The attack needs to be done within the local network. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability classified as problematic was found in TOTOLINK A3000RU up to 5.9c.5185. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified under CWE-266. A vulnerability classified as problematic was found in TOTOLINK A3000RU up to 5.9c.5185. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/ExportSyslog.sh of the component Syslog Configuration File Handler. The manipulation leads to improper access controls. The attack needs to be done within the local network. The exploit has been disclosed to the public and may be used. Affected products include: Totolink A3000Ru Firmware. Version information: up to 5.9.

Affected Products

Totolink A3000Ru Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +26

POC: +20

CVE-2025-2688 vulnerability details – vuln.today

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CVE-2025-2688

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

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CVE-2025-2688

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code