CVE-2025-0492 json
D-Link DIR-823X FUN_00412244 null pointer dereference
published last yr. modified 4mo ago also EUVD-2025-1715
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Is CVE-2025-0492 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
2.00% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- tasty-foxtrot-3a8.notion.site https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a 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:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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 |
Affected products
- D-Link DIR-823X
Classification
References
-
tasty-foxtrot-3a8.notion.site
/D-link-DIR-823X-FUN_00412244-NULL-Pointer-Dereference-1730448e619580fcb7f9d871c6e7190a
exploit, third-party-advisory
-
vuldb.com
/?id.291937
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/?ctiid.291937
signature, permissions-required, vdb-entry
-
vuldb.com
/?submit.475301
third-party-advisory, vdb-entry
-
dlink.com
/
product
Sources
- CVE List CVE-2025-0492
- NVD CVE-2025-0492
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.