Cyber Resilience

CVE-2025-57623

MediumPublic PoC

Published: 25 September 2025

Published
25 September 2025
Modified
29 September 2025
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0019 40.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-57623 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Totolink N600R Firmware. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 40.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.

CWE(s)
CWE-476

Related Threats

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

Affected Assets

totolink
n600r firmware
4.3.0cu.7866_b2022506

Mitigating Controls

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

References