Buffer overflow in D-Link Di-8400
CVE-2026-10206
A vulnerability was detected in D-Link DI-8400 up to 16.07.26A1. This affects an unknown function of the file /dbsrv.asp. Performing a manipulation of the argument str results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The initial researcher advisory mentions contradicting parameter names to be affected.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% 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
- D-Link Di-8400 — versions 16.07.26A1
Weakness classification (CWE)
References
- vuldb.com/vuln/367486 (technical-description, vdb-entry)
- vuldb.com/vuln/367486/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-10206 (third-party-advisory)
- vuldb.com/submit/821716 (third-party-advisory)
- github.com/666324/dlink-di8400-vuln/tree/main/dlink-di8400-vuln (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-10206?
- CVE-2026-10206 is a high-severity vulnerability in D-Link Di-8400, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-06-01.
- How severe is CVE-2026-10206?
- High severity. CVSS v3 base score is 8.8 out of 10.