D-Link DIR-605L 6.02CN02 UART Interface access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in D-Link DIR-605L 6.02CN02. This impacts an unknown function of the component UART Interface. This manipulation causes access control. This vulnerability is registered as CVE-2025-65731. It is feasible to perform the attack on the physical device. No exploit is available.

Detailsinfo

A vulnerability has been found in D-Link DIR-605L 6.02CN02 and classified as critical. Affected by this vulnerability is some unknown functionality of the component UART Interface. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in D-Link Router DIR-605L (Hardware version F1; Firmware version: V6.02CN02) allowing an attacker with physical access to the UART pins to execute arbitrary commands due to presence of root terminal access on a serial interface without proper access control.

It is possible to read the advisory at dlink.com. This vulnerability is known as CVE-2025-65731 since 11/18/2025. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/08/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

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

Productinfo

Type

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.8
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

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

11/18/2025 CVE reserved
01/08/2026 +51 days Advisory disclosed
01/08/2026 +0 days VulDB entry created
01/08/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: dlink.com
Status: Not defined

CVE: CVE-2025-65731 (🔒)
GCVE (CVE): GCVE-0-2025-65731
GCVE (VulDB): GCVE-100-340195

Entryinfo

Created: 01/08/2026 19:56
Changes: 01/08/2026 19:56 (54)
Complete: 🔍
Cache ID: 216::103

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