VDB-363518 · CVE-2026-42961 · GCVE-0-2026-42961

Elecom WAB-BE187-M/WAB-BE72-M/WAB-BE36-M/WAB-BE36-S invariant value in dynamically changing context

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.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Elecom WAB-BE187-M, WAB-BE72-M, WAB-BE36-M and WAB-BE36-S. Affected by this issue is some unknown functionality. Such manipulation leads to use of invariant value in dynamically changing context. This vulnerability is listed as CVE-2026-42961. The attack must be carried out from within the local network. There is no available exploit.

Detailsinfo

A vulnerability was found in Elecom WAB-BE187-M, WAB-BE72-M, WAB-BE36-M and WAB-BE36-S (affected version unknown). It has been rated as problematic. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a use of invariant value in dynamically changing context vulnerability. Using CWE to declare the problem leads to CWE-344. The product uses a constant value, name, or reference, but this value can (or should) vary across different environments. Impacted is integrity. CVE summarizes:

ELECOM wireless LAN access point devices implement CSRF protection mechanism, but with inadequate handling of CSRF tokens. If a user views a malicious page while logged in, the user may be tricked to do unintended operations.

The advisory is available at elecom.co.jp. This vulnerability is handled as CVE-2026-42961 since 05/07/2026. The exploitation is known to be easy. The attack can only be done within the local network. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/13/2026).

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

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Productinfo

Vendor

Elecom

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: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (jpcert): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Use of invariant value in dynamically changing context
CWE: CWE-344
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

05/07/2026 CVE reserved
05/13/2026 +6 days Advisory disclosed
05/13/2026 +0 days VulDB entry created
05/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: elecom.co.jp
Status: Confirmed

CVE: CVE-2026-42961 (🔒)
GCVE (CVE): GCVE-0-2026-42961
GCVE (VulDB): GCVE-100-363518

Entryinfo

Created: 05/13/2026 14:42
Changes: 05/13/2026 14:42 (71)
Complete: 🔍
Cache ID: 216::103