Cyber Resilience

CVE-2025-22900

CriticalPublic PoC

Published: 15 April 2025

Published
15 April 2025
Modified
22 April 2025
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0050 66.5th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-22900 is a critical-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Totolink N600R Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 33.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-121

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

totolink
n600r firmware
4.3.0cu.7647_b20210106

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References