VDB-294933 · CVE-2025-1103 · GCVE-100-294933

D-Link DIR-823X 240126/240802 HTTP POST Request set_wifi_blacklists macList null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.08

A vulnerability, which was classified as problematic, was found in D-Link DIR-823X 240126/240802. This affects the function set_wifi_blacklists of the file /goform/set_wifi_blacklists of the component HTTP POST Request Handler. The manipulation of the argument macList with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The advisory is shared at tasty-foxtrot-3a8.notion.site. This vulnerability is uniquely identified as CVE-2025-1103. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at tasty-foxtrot-3a8.notion.site. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-823X

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/07/2025 Advisory disclosed
02/07/2025 +0 days VulDB entry created
02/07/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: tasty-foxtrot-3a8.notion.site
Status: Not defined

CVE: CVE-2025-1103 (🔒)
GCVE (CVE): GCVE-0-2025-1103
GCVE (VulDB): GCVE-100-294933
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/07/2025 10:42 AM
Changes: 02/07/2025 10:42 AM (59)
Complete: 🔍
Submitter: hand_king
Cache ID: 18:94D:40

Submitinfo

Accepted

Submit #489603: D-Link DIR-823X 240126、240802 NULL Pointer Dereference (by hand_king)