Vulnerability · Published Apr 28, 2026 · Assigned by VulDB
CVE-2026-7247D-Link DI-8100 File Extension file_exten.asp file_exten_asp buffer overflow
High 7.2
In plain English
A high-severity buffer overflow in DI-8100 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.7%top 46.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in D-Link DI-8100 16.07.26A1. Affected by this issue is the function file_exten_asp of the file file_exten.asp of the component File Extension Handler. The manipulation of the argument Name leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-359856 | D-Link DI-8100 File Extension file_exten.asp file_exten_asp buffer overflow vdb-entry, technical-description
- VDB-359856 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #802868 | D-Link DI-8100 16.07.26A1 Denial of Service third-party-advisory
- https://github.com/draw-ctf/report/blob/main/DI-8100/file_exten_asp_overflow.md exploit
- https://www.dlink.com/ product