CVE-2025-52947 describes an Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS on specific end-of-life ACX Series platforms (ACX1000, ACX1100, ACX2000, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096). This flaw allows an unauthenticated attacker on the adjacent network to trigger a Forwarding Engine Board (FEB) crash by flapping an interface when 'hot-standby' mode is configured for the L2 circuit. With a CVSS score of 6.5 (Medium), the vulnerability has a low attack complexity and can lead to a Denial of Service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 21.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
21.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:* | ||
21.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:* | ||
21.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:* | ||
21.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:21.2: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:X/R:A/V:X/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.