Public proof of concept

CVE-2024-54887

A public proof of concept exists; no exploitation attested.

Published2025-01-09
WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2025-01-0920:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-54887?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-54887?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Tp-link tl-wr940n firmwareversion to verify

Branch	Affected	Fixed in	Source
3.16	≤ 3.16.9	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedGumbraise/CVE-2024-54887-PoC

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2025-01-15
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.182025-01-15
CISA-ADPweakness (CWE)CWE-1202025-01-15
FIRST EPSSEPSS score6.6 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2025-01-09
Last Modified: 2026-07-05
NVD status: Modified

Frequently asked questions

What is CVE-2024-54887?

Is CVE-2024-54887 actively exploited?

Active exploitation of CVE-2024-54887 has not been confirmed. Its EPSS score was 6.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-54887?

CVE-2024-54887 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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