8

CVE-2024-54887: tp-link tl-wr940n_firmware Classic Buffer Overflow

CVSS: 8.0v3.1HighModified
Published 09-01-2025Last modified 05-07-2026
Open JSON

Vulnerability summary

CVE-2024-54887 is a high (CVSS 8.0) Classic Buffer Overflow vulnerability in tp-link tl-wr940n_firmware. EPSS estimates a 6.58% chance of exploitation in the next 30 days, higher than 93.8% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
6.58%
0%100%
Low · +1.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-01-2025
    PublishedVulnerability first disclosed.
  2. 05-07-2026
    Last modifiedVulnerability information updated.

Description

TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm. This vulnerability allows an authenticated attacker to execute arbitrary code on the remote device in the context of the root user.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

6.58%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

+1.17 pp

From 5.41% on 21-09-2026

21-09-202621-10-2026
EPSS score
6.58%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Tp-link1 product

1 vendor · 1 product

References

1 links