CVE-2026-7857
published 2026-05-05CVE-2026-7857: 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…
PriorityP261high7.2CVSS 3.1
AVNACLPRHUINSUCHIHAH
EPSS
4.16%
89.8th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| d-link | di-8100 | — | — |
| dlink | di-8100_firmware | — | — |
CVSS provenance
nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvdv4.07.3HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvdv2.08.3HIGHAV:N/AC:L/Au:M/C:C/I:C/A:C
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VulDB
D-Link DI-8100 16.07.26A1 CGI /user_group.asp sprintf buffer overflow (EUVD-2026-27488)
vuldb·2026-05-06·CVSS 7.3
CVE-2026-7857 [HIGH] D-Link DI-8100 16.07.26A1 CGI /user_group.asp sprintf buffer overflow (EUVD-2026-27488)
A vulnerability has been found in D-Link DI-8100 16.07.26A1 and classified as critical. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. The manipulation leads to buffer overflow.
This vulnerability is listed as CVE-2026-7857. The attack may be initiated remotely. In addition, an exploit is available.
GHSA
GHSA-v647-rh6c-m9fr: A vulnerability has been found in D-Link DI-8100 16
ghsa_unreviewed·2026-05-05
CVE-2026-7857 [HIGH] CWE-119 GHSA-v647-rh6c-m9fr: A vulnerability has been found in D-Link DI-8100 16
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-05
Published