CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow
- State
- Published
- Severity
- 8.6 High
- Published
- May 5, 2026
- Updated
- May 5, 2026
- Reserved
- May 5, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | 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 | VulDB |
| 3.1 | 7.2 High | 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 | VulDB |
| 3.0 | 7.2 High | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 8.3 High | AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DI-8100D-Link |
|
References
- VDB-361134 | D-Link DI-8100 CGI user_group.asp sprintf buffer overflowvdb-entrytechnical-description
- VDB-361134 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #807853 | D-Link DI-8100 16.07.26A1 Denial of Servicethird-party-advisory
- https://github.com/draw-ctf/report/blob/main/DI-8100/user_group_asp_overflow.mdexploit
- https://www.dlink.com/product
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