What is CVE-2025-22916?

CVE-2025-22916 is a critical-severity vulnerability in Edimax Re11s, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-01-16.

How severe is CVE-2025-22916?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Edimax Re11s

CVE-2025-22916

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

Vulnerability class: Buffer Overflow

Published 2025-01-16 · last modified 2026-07-05.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Edimax Re11s
Edimax Re11s Firmware — versions 1.11

Weakness classification (CWE)

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

References

www.edimax.com/edimax/global/ (Product)
re11s.com (Not Applicable, Broken Link)
github.com/xyqer1/RE11S_1.11-formPPPoESetup-StackOverflow (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-22916?: CVE-2025-22916 is a critical-severity vulnerability in Edimax Re11s, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-01-16.
How severe is CVE-2025-22916?: Critical severity. CVSS v3 base score is 9.8 out of 10.