CVE-2026-4182
D-Link DIR-816 goahead form2Wl5RepeaterStep2.cgi stack-based overflow
- State
- Published
- Severity
- 9.3 Critical
- Published
- Mar 15, 2026
- Updated
- Mar 16, 2026
- Reserved
- Mar 14, 2026
Description
A weakness has been identified in D-Link DIR-816 1.10CNB05. This impacts an unknown function of the file /goform/form2Wl5RepeaterStep2.cgi of the component goahead. This manipulation of the argument key1/key2/key3/key4/pskValue causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 9.8 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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-816D-Link |
|
References
- VDB-351086 | D-Link DIR-816 goahead form2Wl5RepeaterStep2.cgi stack-based overflowvdb-entrytechnical-description
- VDB-351086 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #769830 | D-Link DIR816 1.10CNB05 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_86/86.mdexploit
- https://www.dlink.com/product
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