CVE-2025-13189
D-Link DIR-816L gena.cgi genacgi_main stack-based overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Nov 15, 2025
- Updated
- Nov 17, 2025
- Reserved
- Nov 14, 2025
Description
A vulnerability has been found in D-Link DIR-816L 2_06_b09_beta. This affects the function genacgi_main of the file gena.cgi. The manipulation of the argument SERVER_ID/HTTP_SID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DIR-816LD-Link |
|
References
- VDB-332478 | D-Link DIR-816L gena.cgi genacgi_main stack-based overflowvdb-entrytechnical-description
- VDB-332478 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #685540 | D-Link DIR-816L DIR816L_REVB_FW_2_06_b09_beta Stack-based Buffer Overflowthird-party-advisory
- https://github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(gena.cgi).pdfexploit
- https://www.dlink.com/product
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