CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow
Vexday Risk Score
41Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 8.6EPSS 4.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
05 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
D-Link · DI-8100public PoCs found — 1
cve_referencegithub.com/draw-ctf/report/blob/main/DI-8100/user_group_asp_overflow.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →