CVE-2026-94089
D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow
- State
- Published
- Severity
- 10.0 Critical
- Published
- Sep 20, 2026
- Updated
- Sep 22, 2026
- Reserved
- Sep 20, 2026
Description
A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfa_authentication.cgi of the component Authentication Handler. Executing a manipulation of the argument id/password can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 10.0 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P | VulDB |
| 3.1 | 10.0 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 10.0 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 10.0 High | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DIR-868LD-Link |
|
References
- VDB-408017 | D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflowvdb-entrytechnical-description
- VDB-408017 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-94089 | CVE Analysis and Reportthird-party-advisory
- Submit #951681 | D-Link DIR-868L B1 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/Walnut1337/CVE/blob/main/poc/poc_crash.pyexploit
- https://www.dlink.com/product
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