Elecom WRC-BE36QS-B/WRC-W701-B Debug backdoor

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Elecom WRC-BE36QS-B and WRC-W701-B. Affected is an unknown function of the component Debug Handler. Such manipulation leads to backdoor. This vulnerability is listed as CVE-2025-46267. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Elecom WRC-BE36QS-B and WRC-W701-B (affected version not known) and classified as critical. Affected by this issue is some unknown functionality of the component Debug Handler. The manipulation with an unknown input leads to a backdoor vulnerability. Using CWE to declare the problem leads to CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Hidden functionality issue exists in WRC-BE36QS-B and WRC-W701-B. If exploited, the product's hidden debug function may be enabled by a remote attacker who can log in to WebGUI.

The advisory is shared for download at elecom.co.jp. This vulnerability is handled as CVE-2025-46267 since 07/11/2025. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/22/2025). The MITRE ATT&CK project declares the attack technique as T1588.001.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-22308). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

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: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.9
CNA Vector (jpcert): 🔒

CVSSv2info

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

Exploitinginfo

Class: Backdoor
CWE: CWE-912
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

07/11/2025 CVE reserved
07/22/2025 +11 days Advisory disclosed
07/22/2025 +0 days VulDB entry created
07/22/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: elecom.co.jp
Status: Confirmed

CVE: CVE-2025-46267 (🔒)
GCVE (CVE): GCVE-0-2025-46267
GCVE (VulDB): GCVE-100-317228
EUVD: 🔒

Entryinfo

Created: 07/22/2025 13:54
Updated: 07/22/2025 15:36
Changes: 07/22/2025 13:54 (73), 07/22/2025 15:36 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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