CVE-2025-22900

9.8 criticalEPSS 0.6%

Critical (9.8) in totolink n600r firmware. EPSS 0.6% chance of exploitation in the next 30 days.

Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-121
Published: 2025-04-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19