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CVE-2026-7857highCWE-119CWE-120

D-Link DI-8100 CGI user_group.asp sprintf buffer overflow

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.6epss 4.2%
exploitation probability
4.2%top 10% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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-8100
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.