CVE•Published 2025-01-09•Modified 2026-07-05•1 article on news•6 live references•NVD data

CVE-2024-54887Tp-link · Tl-wr940n_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1

8.0

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 7% of all CVEs

Weaknesses (CWE)

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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

Published 2025-01-09

Modified 2026-07-05

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2024-54887

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Tl-wr940n Firmware"

Hosts Shodan identified as running Tl-wr940n Firmware.

More intel sources (5)

Shodan report

vuln:CVE-2024-54887

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2024-54887