What is CVE-2024-54887?

CVE-2024-54887 is a high-severity vulnerability in Tp-link Tl-wr940n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.0/10. Published 2025-01-09.

How severe is CVE-2024-54887?

High severity. CVSS v3 base score is 8.0 out of 10.

Is CVE-2024-54887 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tp-link Tl-wr940n

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 arbitra…

Vulnerability class: Buffer Overflow

EPSS: 0.054 (91.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tp-link Tl-wr940n — versions v3, v4
Tp-link Tl-wr940n_firmware
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2024-54887?: CVE-2024-54887 is a high-severity vulnerability in Tp-link Tl-wr940n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.0/10. Published 2025-01-09.
How severe is CVE-2024-54887?: High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2024-54887 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.