Vulnerability · Published Apr 28, 2026 · Assigned by VulDB
CVE-2026-7248D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow
Critical 9.8
In plain English
A critical-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 2.2% (higher than 82% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.2%top 17.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-359857 | D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow vdb-entry, technical-description
- VDB-359857 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #802869 | D-Link DI-8100 16.07.26A1 Denial of Service third-party-advisory
- https://github.com/draw-ctf/report/blob/main/DI-8100/DI-8100_tgfile_htm_overflow.md exploit
- https://www.dlink.com/ product