Buffer overflow in D-Link Di-8100
CVE-2026-7855
A vulnerability was detected in D-Link DI-8100 16.07.26A1. Affected by this issue is the function tggl_asp of the file /tggl.asp of the component HTTP Request Handler. Performing a manipulation of the argument Name results in buffer overflow. The attack can be initiated remotely. The exploit is now 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:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.011 · change: -0.001
Affected products
- D-Link Di-8100 — versions 16.07.26A1
- Dlink Di-8100
- Dlink Di-8100 Firmware — versions 16.07.26a1
Weakness classification (CWE)
References
- vuldb.com/vuln/361132 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/361132/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/807841 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/draw-ctf/report/blob/main/DI-8100/tggl_asp_overflow.md (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2026-7855?
- CVE-2026-7855 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 2026-05-05.
- How severe is CVE-2026-7855?
- High severity. CVSS v3 base score is 8.8 out of 10.