CVE-2024-54887

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 v3.1

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

EPSS

5.41% chance of exploitation in the next 30 days, 92th percentile

Published

2025-01-09

Updated

2026-07-05

Proof-of-concept exploits (2)

• Gumbraise/CVE-2024-54887-PoC
• JBince/vulnerability-research5★ · 2026-06-09

References

• CVE Record
• NVD entry

Related

• CVE-2026-30849
• CVE-2024-54880
• CVE-2024-54907
• CVE-2024-5488
• CVE-2024-54910
• CVE-2024-54879