D-Link DIR-823X 240126/240802 FUN_00412244 null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in D-Link DIR-823X 240126/240802. This affects the function FUN_00412244. This manipulation causes null pointer dereference.
This vulnerability is tracked as CVE-2025-0492. The attack is possible to be carried out remotely. Moreover, an exploit is present.
Details
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 with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.
The advisory is shared at tasty-foxtrot-3a8.notion.site. This vulnerability is known as CVE-2025-0492. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
It is possible to download the exploit at tasty-foxtrot-3a8.notion.site. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.5
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/15/2025 🔍01/15/2025 🔍
01/16/2025 🔍
Sources
Vendor: dlink.comAdvisory: tasty-foxtrot-3a8.notion.site
Status: Not defined
CVE: CVE-2025-0492 (🔍)
GCVE (CVE): GCVE-0-2025-0492
GCVE (VulDB): GCVE-100-291937
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/15/2025 13:54Updated: 01/16/2025 10:48
Changes: 01/15/2025 13:54 (55), 01/16/2025 10:48 (31)
Complete: 🔍
Submitter: hand_king
Cache ID: 216::103
Submit
Accepted
- Submit #475301: D-Link DIR-823X 240126, 240802 NULL Pointer Dereference (by hand_king)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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