What is the CVSS score of CVE-2025-25901?

CVE-2025-25901 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

Which versions of Tl Wr841Nd Firmware are affected by CVE-2025-25901?

Organizations using TP-Link TL-WR841ND face notable risk from CVE-2025-25901, a out-of-bounds write vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-25901?

Yes, a public proof-of-concept exploit is available for CVE-2025-25901. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-25901?

Within 7 days: Identify all affected systems running TP-Link TL-WR841ND and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Tl Wr841Nd Firmware CVE-2025-25901

HIGH

Out-of-bounds Write (CWE-787)

2025-02-13 cve@mitre.org

Memory Corruption Buffer Overflow TP-Link Denial Of Service Tl Wr841Nd Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:26 vuln.today

PoC Detected

Feb 20, 2025 - 15:15 vuln.today

Public exploit code

CVE Published

Feb 13, 2025 - 16:16 nvd

HIGH 7.5

DescriptionCVE.org

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11, triggered by the dnsserver1 and dnsserver2 parameters at /userRpm/WanSlaacCfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.

AnalysisAI

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11, triggered by the dnsserver1 and dnsserver2 parameters at /userRpm/WanSlaacCfgRpm.htm. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11, triggered by the dnsserver1 and dnsserver2 parameters at /userRpm/WanSlaacCfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet. Affected products include: Tp-Link Tl-Wr841Nd Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

CVE-2025-25901 vulnerability details – vuln.today

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Tl Wr841Nd Firmware CVE-2025-25901

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code