VDB-245604 · CVE-2023-43757 · GCVE-0-2023-43757

Elecom WRC-2533GHBK2-T Encryption Key information disclosure

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.
4.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Elecom WRC-2533GHBK2-T, WRC-2533GHBK-I, WRC-1750GHBK2-I, WRC-1750GHBK-E, WRC-1750GHBK, WRC-1167GHBK2, WRC-1167GHBK, WRC-F1167ACF, WRC-733GHBK, WRC-733GHBK-I, WRC-733GHBK-C, WRC-300GHBK2-I, WRC-300GHBK, WRC-733FEBK, WRC-300FEBK, WRC-F300NF, WRH-300WH-H, WRH-300BK, WRH-300WH, WRH-300RD, WRH-300SV, WRH-300BK-S, WRH-300WH-S, WRH-300BK2-S, WRH-300WH2-S, WRH-H300BK, WRH-H300WH, WRH-150BK, WRH-150WH, LAN-W300N, RS, LAN-W301NR, P, LAN-WH300N, DGP and LAN-WH300NDGPE. The impacted element is an unknown function of the component Encryption Key Handler. The manipulation results in information disclosure. This vulnerability is cataloged as CVE-2023-43757. The attack must originate from the local network. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Elecom WRC-2533GHBK2-T, WRC-2533GHBK-I, WRC-1750GHBK2-I, WRC-1750GHBK-E, WRC-1750GHBK, WRC-1167GHBK2, WRC-1167GHBK, WRC-F1167ACF, WRC-733GHBK, WRC-733GHBK-I, WRC-733GHBK-C, WRC-300GHBK2-I, WRC-300GHBK, WRC-733FEBK, WRC-300FEBK, WRC-F300NF, WRH-300WH-H, WRH-300BK, WRH-300WH, WRH-300RD, WRH-300SV, WRH-300BK-S, WRH-300WH-S, WRH-300BK2-S, WRH-300WH2-S, WRH-H300BK, WRH-H300WH, WRH-150BK, WRH-150WH, LAN-W300N, RS, LAN-W301NR, P, LAN-WH300N, DGP and LAN-WH300NDGPE. Affected is some unknown functionality of the component Encryption Key Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent authenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.

The weakness was shared 11/16/2023. The advisory is shared for download at elecom.co.jp. This vulnerability is traded as CVE-2023-43757 since 10/31/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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

Vendor

Elecom

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/31/2023 🔍
11/16/2023 +16 days 🔍
11/16/2023 +0 days 🔍
12/12/2023 +26 days 🔍

Sourcesinfo

Advisory: elecom.co.jp
Status: Confirmed

CVE: CVE-2023-43757 (🔍)
GCVE (CVE): GCVE-0-2023-43757
GCVE (VulDB): GCVE-100-245604

Entryinfo

Created: 11/16/2023 07:43
Updated: 12/12/2023 14:49
Changes: 11/16/2023 07:43 (37), 12/12/2023 14:49 (11)
Complete: 🔍
Cache ID: 216::103