VDB-237525 · CVE-2023-39454 · EUVD-2023-43177

Elecom WRC-X1800GS-B/WRC-X1800GSA-B/WRC-X1800GSH-B up to 1.13 buffer overflow

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.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Elecom WRC-X1800GS-B, WRC-X1800GSA-B and WRC-X1800GSH-B up to 1.13. This affects an unknown part. Performing a manipulation results in buffer overflow. This vulnerability is known as CVE-2023-39454. No exploit is available.

Detailsinfo

A vulnerability was found in Elecom WRC-X1800GS-B, WRC-X1800GSA-B and WRC-X1800GSH-B up to 1.13. It has been classified as critical. This affects an unknown functionality. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow vulnerability in WRC-X1800GS-B v1.13 and earlier, WRC-X1800GSA-B v1.13 and earlier, and WRC-X1800GSH-B v1.13 and earlier allows an unauthenticated attacker to execute arbitrary code.

The weakness was published 08/18/2023. The advisory is shared at jvn.jp. This vulnerability is uniquely identified as CVE-2023-39454 since 08/09/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/03/2025).

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-2023-43177). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Elecom

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

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

08/09/2023 🔍
08/18/2023 +9 days 🔍
08/18/2023 +0 days 🔍
07/03/2025 +685 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2023-39454 (🔍)
GCVE (CVE): GCVE-0-2023-39454
GCVE (VulDB): GCVE-100-237525
EUVD: 🔍

Entryinfo

Created: 08/18/2023 16:06
Updated: 07/03/2025 17:09
Changes: 08/18/2023 16:06 (37), 09/13/2023 14:53 (11), 02/17/2025 07:21 (27), 07/03/2025 17:09 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.