D-Link DIR-619L 2.04B04 formSetWAN_Wizard52 curTime buffer overflow

Summaryinfo

A vulnerability identified as critical has been detected in D-Link DIR-619L 2.04B04. Affected is the function formSetWAN_Wizard52. This manipulation of the argument curTime causes buffer overflow. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is registered as CVE-2025-4451. Remote exploitation of the attack is possible. No exploit is available. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability has been found in D-Link DIR-619L 2.04B04 and classified as critical. Affected by this vulnerability is the function formSetWAN_Wizard52. The manipulation of the argument curTime 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.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-4451. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/09/2025).

The vendor was contacted early about this disclosure.

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.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

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

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/08/2025 Advisory disclosed
05/08/2025 +0 days VulDB entry created
05/09/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-4451 (🔒)
GCVE (CVE): GCVE-0-2025-4451
GCVE (VulDB): GCVE-100-308065

Entryinfo

Created: 05/08/2025 20:54
Updated: 05/09/2025 13:39
Changes: 05/08/2025 20:54 (55), 05/09/2025 13:39 (30)
Complete: 🔍
Submitter: zjy148909
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #560793: D-Link DIR-619L 2.04B04 Buffer Overflow (by zjy148909)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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