Buffer overflow in Totolink N600r

CVE-2025-22903

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the pin parameter in the function setWiFiWpsConfig.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-22903?
CVE-2025-22903 is a medium-severity vulnerability in Totolink N600r, classified under Stack-based Buffer Overflow. CVSS score: 4.6/10. Published 2025-04-15.
How severe is CVE-2025-22903?
Medium severity. CVSS v3 base score is 4.6 out of 10.