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CVE-2025-25900

MEDIUMCVSS 4.9/10EPSS 0.39%

Last modified

CVE-2025-25900 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the username and password parameters at /userRpm/PPPoEv6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the username and password parameters at /userRpm/PPPoEv6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.

Metrics

CVSS 3.1
4.9/10

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

EPSS Probability
0.39%

30.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Tp-LinkTl-Wr841nd V11 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-25900?
A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the username and password parameters at /userRpm/PPPoEv6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
How severe is CVE-2025-25900?
CVE-2025-25900 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2025-25900?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-25900?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST