CVE-2025-30657 is an Improper Encoding or Escaping of Output vulnerability in Juniper Networks Junos OS, specifically affecting the Sampling Route Record Daemon (SRRD) in various versions prior to their latest updates. An unauthenticated, network-based attacker can exploit this by sending a specially crafted BGP update message, causing the SRRD to crash and temporarily interrupt jflow processing, though traffic forwarding remains unaffected. With a CVSS score of 5.3 (Medium), this vulnerability has a low impact on availability and requires no user interaction. 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:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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:Y/R:A/V:X/RE:M/U:X
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