What is CVE-2025-25741?

CVE-2025-25741 is a medium-severity vulnerability in Dlink Dir-853, classified under Stack-based Buffer Overflow. CVSS score: 5.4/10. Published 2025-02-12.

How severe is CVE-2025-25741?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2025-25741 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Dlink Dir-853

CVE-2025-25741

D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the IPv6_PppoePassword parameter in the SetIPv6PppoeSettings module.

Vulnerability class: Buffer Overflow

Published 2025-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Dlink Dir-853 — versions a1
Dlink Dir-853 Firmware — versions 1.20b07

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

yikesoftware/yikesoftware

References

dear-sunshine-ba5.notion.site/D-Link-DIR-853-7-1812386a664480b7ac54d281afa629f5 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-25741?: CVE-2025-25741 is a medium-severity vulnerability in Dlink Dir-853, classified under Stack-based Buffer Overflow. CVSS score: 5.4/10. Published 2025-02-12.
How severe is CVE-2025-25741?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-25741 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.