PT-2023-21090 · T&D+1 · Wdr-3+7

Junnosuke Kushibiki + 5 · Published 2023-05-23 · Updated 2025-01-31 · CVE-2023-27388

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions T&D Corporation data logger products versions TR-71W/72W all firmware versions T&D Corporation data logger products versions RTR-5W all firmware versions T&D Corporation data logger products versions WDR-7 all firmware versions T&D Corporation data logger products versions WDR-3 all firmware versions T&D Corporation data logger products versions WS-2 all firmware versions ESPEC MIC CORP. data logger products versions RT-12N/RS-12N all firmware versions ESPEC MIC CORP. data logger products versions RT-22BN all firmware versions ESPEC MIC CORP. data logger products versions TEU-12N all firmware versions

Description An improper authentication issue in T&D Corporation and ESPEC MIC CORP. data logger products allows a remote unauthenticated attacker to login to the product as a registered user.

Recommendations For T&D Corporation data logger products versions TR-71W/72W all firmware versions, consider disabling remote access until a patch is available. For T&D Corporation data logger products versions RTR-5W all firmware versions, restrict access to the product to minimize the risk of exploitation. For T&D Corporation data logger products versions WDR-7 all firmware versions, avoid using default or weak passwords for registered users. For T&D Corporation data logger products versions WDR-3 all firmware versions, limit the number of login attempts to prevent brute-force attacks. For T&D Corporation data logger products versions WS-2 all firmware versions, implement additional authentication mechanisms, such as two-factor authentication. For ESPEC MIC CORP. data logger products versions RT-12N/RS-12N all firmware versions, consider changing default passwords and restricting access to the product. For ESPEC MIC CORP. data logger products versions RT-22BN all firmware versions, disable any unnecessary features or services that could be exploited. For ESPEC MIC CORP. data logger products versions TEU-12N all firmware versions, monitor user activity and login attempts to detect potential exploitation.

Fix

Incorrect Authorization

Improper Authentication

Weakness Enumeration

CWE-863

CWE-287

Related Identifiers

CVE-2023-27388

Affected Products

Rt-12N/Rs-12N

Rt-22Bn

Rtr-5W

Teu-12N

Tr-71W/72W

Wdr-3

Wdr-7

Ws-2

References · 5

• https://monitoring.especmic.co.jp/post/VulnerabilityInRT-12N_RS-12N_RT-22BNandTEU-12N · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-27388 · Security Note
• https://tandd.com/news/detail.html?id=780 · Vendor Advisory
• https://t.me/cvenotify/109412 · Telegram Post
• https://jvn.jp/en/jp/JVN14778242 · Note