PT-2025-46192 · Fastjson+1 · Fastjson+1

Published 2025-11-10 · Updated 2025-11-10 · CVE-2025-63617

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ktg-mes versions prior to commit a484f96 (2025-07-03)

Description The software contains a fastjson deserialization issue. This occurs due to the use of a vulnerable version of fastjson and the deserialization of untrusted input data.

Recommendations Update to commit a484f96 (2025-07-03) or a later version.

Exploit

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-63617

Affected Products

Fastjson

Ktg-Mes

References · 5

• 🔥 https://github.com/ChangeYourWay/post/blob/main/ktg-mes.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-63617 · Security Note
• https://osv.dev/vulnerability/CVE-2025-63617 · Vendor Advisory
• https://gist.github.com/ChangeYourWay/8651679a2155269bccf520fcb34fc661 · Note
• https://twitter.com/CVEnew/status/1987984641442078743 · Twitter Post