What is CVE-2025-22911?

CVE-2025-22911 is a medium-severity vulnerability in Edimax Re11s, classified under Stack-based Buffer Overflow. CVSS score: 5.6/10. Published 2025-04-15.

How severe is CVE-2025-22911?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Buffer overflow in Edimax Re11s

CVE-2025-22911

RE11S v1.11 was discovered to contain a stack overflow via the rootAPmac parameter in the formiNICbasicREP function.

Vulnerability class: Buffer Overflow

Published 2025-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (26.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000

Affected products

Edimax Re11s
Edimax Re11s Firmware — versions 1.11

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

github.com/xyqer1/RE11S_1.11-formiNICbasicREP-StackOverflow (Exploit, Third Party Advisory)
gist.github.com/xyqer1/6145c00a51093baad7ab5b8293a06e80 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-22911?: CVE-2025-22911 is a medium-severity vulnerability in Edimax Re11s, classified under Stack-based Buffer Overflow. CVSS score: 5.6/10. Published 2025-04-15.
How severe is CVE-2025-22911?: Medium severity. CVSS v3 base score is 5.6 out of 10.