CVE-2025-13189 json
D-Link DIR-816L gena.cgi genacgi_main stack-based overflow
published 2025-11-15 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-197687
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 11 mo ago
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(gena.cgi).pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 8.8 | 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 |
| CNA | 3.0 | 8.8 | 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 |
| CNA | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 7.4 | 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/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 |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- D-Link DIR-816L
Classification
References
-
github.com
/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(gena.cgi).pdf
exploit, third-party-advisory
-
vuldb.com
/?id.332478
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/?ctiid.332478
signature, permissions-required, vdb-entry
-
vuldb.com
/?submit.685540
third-party-advisory, vdb-entry
-
dlink.com
/
product
Sources
- CVE List CVE-2025-13189
- NVD CVE-2025-13189
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