Buffer overflow in D-Link Di-8100

CVE-2025-3538

A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been rated as critical. This issue affects the function auth_asp of the file /auth.asp of the component jhttpd. The manipulation of the argument callback leads to stack-based buffer overflow. The attack needs to be approached within the local network. The exploit has been disclosed to the public and may be used.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.132 (96.4th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-3538: held from 0.132 to 0.132.

EPSS over last 30 days · oldest: 0.132 · newest: 0.132 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-3538?
CVE-2025-3538 is a high-severity vulnerability in D-Link Di-8100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-04-13.
How severe is CVE-2025-3538?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-3538 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.