What is CVE-2025-7677?

CVE-2025-7677 is a medium-severity vulnerability in Abb Aspect, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.9/10. Published 2025-08-11.

How severe is CVE-2025-7677?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2025-7677 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Abb Aspect

CVE-2025-7677

A denial-of-service (DoS) attack is possible if access to the local network is provided to unauthorized users. This is due to a buffer copy issue that may lead to a software crash. This issue affects all versions of ASPECT.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Abb Aspect — versions All versions

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cybersecurity@ch.abb.com

Frequently asked questions

What is CVE-2025-7677?: CVE-2025-7677 is a medium-severity vulnerability in Abb Aspect, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.9/10. Published 2025-08-11.
How severe is CVE-2025-7677?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2025-7677 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.