CVE-2025-52952 is an Out-of-bounds Write vulnerability in the CFM daemon of Juniper Networks Junos OS on MX Series with specific line cards. An unauthenticated, adjacent attacker can trigger a Denial of Service (DoS) by sending a malformed packet, causing an FPC crash and restart. This vulnerability has a CVSS score of 6.5 (Medium), indicating an adjacent attack vector with low complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 22.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
22.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:22.2:-:*:*:*:*:*:* | ||
22.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:* | ||
22.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:* | ||
22.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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:Y/R:A/V:C/RE:M/U:Green
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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.