HOMEVULNERABILITIESCVE-2023-27387
HIGH

CVE-2023-27387

CWE-352Published: May 23, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Cross-site request forgery (CSRF) in T&D Corporation and ESPEC MIC CORP. data logger products allows a remote unauthenticated attacker to conduct an arbitrary operation by having a logged-in user view a malicious page. Affected products and versions are as follows: T&D Corporation data logger products (TR-71W/72W all firmware versions, RTR-5W all firmware versions, WDR-7 all firmware versions, WDR-3 all firmware versions, and WS-2 all firmware versions), and ESPEC MIC CORP. data logger products (RT-12N/RS-12N all firmware versions, RT-22BN all firmware versions, and TEU-12N all firmware versions).

NVD Source

Technical Analysis

CVE-2023-27387 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

especmic8 product(s)
rt-12n firmwarert-12nrs-12n firmwarers-12nrt-22bn firmwarert-22bnteu-12n firmwareteu-12n
tandd12 product(s)
tr-71w firmwaretr-71wtr-72w firmwaretr-72wrtr-5w firmwarertr-5wwdr-7 firmwarewdr-7wdr-3 firmwarewdr-3ws-2 firmwarews-2
Source: NVD CPE · 20 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/en/jp/JVN14778242/
ADVISORYhttps://www.monitoring.especmic.co.jp/post/VulnerabilityInRT-12N_RS-12N_RT-22BNandTEU-12N
ADVISORYhttps://www.tandd.com/news/detail.html?id=780
ADVISORYhttps://jvn.jp/en/jp/JVN14778242/
ADVISORYhttps://www.monitoring.especmic.co.jp/post/VulnerabilityInRT-12N_RS-12N_RT-22BNandTEU-12N
ADVISORYhttps://www.tandd.com/news/detail.html?id=780

All References (6)

→
https://jvn.jp/en/jp/JVN14778242/Third Party Advisory
→
https://www.monitoring.especmic.co.jp/post/VulnerabilityInRT-12N_RS-12N_RT-22BNandTEU-12NVendor Advisory
→
https://www.tandd.com/news/detail.html?id=780Vendor Advisory
→
https://jvn.jp/en/jp/JVN14778242/Third Party Advisory
→
https://www.monitoring.especmic.co.jp/post/VulnerabilityInRT-12N_RS-12N_RT-22BNandTEU-12NVendor Advisory
→
https://www.tandd.com/news/detail.html?id=780Vendor Advisory

Quick Facts

CVE IDCVE-2023-27387
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-352
CISA KEVNo
Affected2 vendor(s)
PublishedMay 23, 2023

Related CVEs (CWE-352)

CVE-2025-23922
10.0
CVE-2017-5145
10.0
CVE-2025-32642
10.0
CVE-2025-48340
9.8
CVE-2025-31033
9.8
CVE-2023-4659
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-27387 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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