Buffer overflow in Dlink Dir-853

CVE-2025-25742

D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the AccountPassword parameter in the SetSysEmailSettings module.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (43.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-25742?
CVE-2025-25742 is a critical-severity vulnerability in Dlink Dir-853, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2025-02-12.
How severe is CVE-2025-25742?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-25742 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.