CVE-2025-2403 is a denial-of-service vulnerability affecting ABB Relion 670/650 and SAM600-IO series devices, stemming from improper network traffic prioritization. Exploitation could lead to critical functions like the Line Distance Communication Module (LDCM) malfunctioning. With a CVSS score of 7.5 (High), this vulnerability is network-exploitable with low attack complexity, requiring no user interaction or privileges, and resulting in a complete loss of availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Hitachi Energy | Relion 670/650 And SAM600-IO | >= 2.2.6.0, <= 2.2.6.2, 2.2.2.6, 2.2.3.7, 2.2.4.4, 2.2.5.6CNA affecteddefault unaffected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.