VDB-321172 · CVE-2025-55599 · GCVE-0-2025-55599

D-Link DIR-619L 2.06B01 formWlanSetup f_wds_wepKey buffer overflow

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.
8.0	$5k-$25k	0.00

Summaryinfo

A vulnerability described as critical has been identified in D-Link DIR-619L 2.06B01. Impacted is the function formWlanSetup. Executing a manipulation of the argument f_wds_wepKey can lead to buffer overflow. This vulnerability is tracked as CVE-2025-55599. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in D-Link DIR-619L 2.06B01. It has been declared as critical. This vulnerability affects the function formWlanSetup. The manipulation of the argument f_wds_wepKey with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

D-Link DIR-619L 2.06B01 is vulnerable to Buffer Overflow in the formWlanSetup function via the parameter f_wds_wepKey.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-55599 since 08/13/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/26/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-619L

Version

2.06B01

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/13/2025 CVE reserved
08/22/2025 +9 days Advisory disclosed
08/22/2025 +0 days VulDB entry created
09/26/2025 +35 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-55599 (🔒)
GCVE (CVE): GCVE-0-2025-55599
GCVE (VulDB): GCVE-100-321172

Entryinfo

Created: 08/23/2025 00:01
Updated: 09/26/2025 15:40
Changes: 08/23/2025 00:01 (55), 08/26/2025 08:20 (1), 09/26/2025 15:40 (11)
Complete: 🔍
Cache ID: 216::103