How severe is CVE-2025-1400?

CVE-2025-1400 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-1400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-1400?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-1400 have an EU (EUVD) identifier?

Yes. CVE-2025-1400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13678.

When was CVE-2025-1400 published?

CVE-2025-1400 was published on 2025-05-07 and last updated on 2026-06-17.

CVE-2025-1400

CVE-2025-1400 is a low-severity vulnerability with a CVSS 3.x base score of 3.1. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13678
Weakness: CWE-125
Published: 2025-05-07
Last modified: 2026-06-17

Description

Out-of-bounds Read vulnerability in unpack_response (conn.c) in libplctag from 2.0 through 2.6.3 allows Overread Buffers via network.

Frequently asked questions

What is CVE-2025-1400?: Out-of-bounds Read vulnerability in unpack_response (conn.c) in libplctag from 2.0 through 2.6.3 allows Overread Buffers via network.
How severe is CVE-2025-1400?: CVE-2025-1400 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-1400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-1400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1400 have an EU (EUVD) identifier?: Yes. CVE-2025-1400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13678.
When was CVE-2025-1400 published?: CVE-2025-1400 was published on 2025-05-07 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-1400

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