What is the CVSS score of CVE-2025-28031?

CVE-2025-28031 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.3%.

Which versions of A810R Firmware are affected by CVE-2025-28031?

Organizations using TOTOLINK A810R V4.1.2cu.5182_B20201026 should be aware of notable risk from CVE-2025-28031 rated CVSS 6.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-28031?

Yes, a public proof-of-concept exploit is available for CVE-2025-28031. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-28031?

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

A810R Firmware CVE-2025-28031

MEDIUM

Use of Hard-coded Password (CWE-259)

2025-04-22 cve@mitre.org

Authentication Bypass A810R Firmware TOTOLINK

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:38 vuln.today

PoC Detected

Apr 29, 2025 - 16:21 vuln.today

Public exploit code

CVE Published

Apr 22, 2025 - 16:15 nvd

MEDIUM 6.5

DescriptionCVE.org

TOTOLINK A810R V4.1.2cu.5182_B20201026 was discovered to contain a hardcoded password for the telnet service in product.ini.

AnalysisAI

TOTOLINK A810R V4.1.2cu.5182_B20201026 was discovered to contain a hardcoded password for the telnet service in product.ini. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-259. TOTOLINK A810R V4.1.2cu.5182_B20201026 was discovered to contain a hardcoded password for the telnet service in product.ini. Affected products include: Totolink A810R Firmware.

RemediationAI

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.