What is CVE-2024-57543?

CVE-2024-57543 is a medium-severity vulnerability in Linksys E8450, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2025-01-21.

How severe is CVE-2024-57543?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Linksys E8450

CVE-2024-57543

Linksys E8450 v1.2.00.360516 was discovered to contain a buffer overflow vulnerability. The parsed field (dhcpstart_ip) is copied to the stack without length verification.

Vulnerability class: Buffer Overflow

Published 2025-01-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (34.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linksys E8450
Linksys E8450 Firmware — versions 1.2.00.360516

Weakness classification (CWE)

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

References

github.com/Wood1314/Linksys_E8450_vul/blob/main/7/7.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-57543?: CVE-2024-57543 is a medium-severity vulnerability in Linksys E8450, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2025-01-21.
How severe is CVE-2024-57543?: Medium severity. CVSS v3 base score is 5.5 out of 10.