How severe is CVE-2023-27387?

CVE-2023-27387 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-27387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27387?

CVE-2023-27387 primarily affects Tandd Tr-71w Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27387?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-27387 published?

CVE-2023-27387 was published on 2023-05-23 and last updated on 2026-06-17.

CVE-2023-27387

CVE-2023-27387 is a high-severity vulnerability in Tandd Tr-71w Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Tandd Tr-71w Firmware
Published: 2023-05-23
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2023-27387?: 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).
How severe is CVE-2023-27387?: CVE-2023-27387 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-27387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27387?: CVE-2023-27387 primarily affects Tandd Tr-71w Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-27387 published?: CVE-2023-27387 was published on 2023-05-23 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:tandd:tr-71w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tandd:tr-72w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tandd:rtr-5w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tandd:wdr-7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tandd:wdr-3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tandd:ws-2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:especmic:rt-12n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:especmic:rs-12n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:especmic:rt-22bn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:especmic:teu-12n_firmware:*:*:*:*:*:*:*:*

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