7.5

CVE-2025-25901: tp-link tl-wr841nd_firmware Out-of-bounds Write

CVSS: 7.5v3.1HighModified
Published 13-02-2025Last modified 20-02-2025

Vulnerability summary

CVE-2025-25901 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in tp-link tl-wr841nd_firmware. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 13-02-2025
    PublishedVulnerability first disclosed.
  2. 20-02-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.52%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.52% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.52%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Mycve

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tp-link1 product

1 vendor · 1 product

References

1 links