What is CVE-2025-46108?

CVE-2025-46108 is a critical-severity vulnerability in Dlink Dir-513, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-03-04.

How severe is CVE-2025-46108?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Dlink Dir-513

CVE-2025-46108

D-link Dir-513 A1FW110 is vulnerable to Buffer Overflow in the function formTcpipSetup.

Vulnerability class: Buffer Overflow

Published 2026-03-04 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.006 (46.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Dlink Dir-513 — versions a1
Dlink Dir-513 Firmware — versions 1.10

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.dlink.com/en/security-bulletin/ (Vendor Advisory)
github.com/buobo/bo-s-CVE/blob/main/DIR-513/formTcpipSetup.md (Broken Link)
github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2025-46108 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-46108?: CVE-2025-46108 is a critical-severity vulnerability in Dlink Dir-513, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-03-04.
How severe is CVE-2025-46108?: Critical severity. CVSS v3 base score is 9.8 out of 10.