Skip to main content
VulnerabilityPublished Updated

CVE-2025-30650: Juniper Networks Junos OS · Missing Authentication

Affects Juniper Networks Junos OSSource CVE Database V5

0
Compare

Not known to be exploited · CVSS 6.7 Medium · fixed in 25.2R2 : update Juniper Networks Junos OS when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
6.7Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 25.2R2, 24.4R2, 24.2R2-S3 +3
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Juniper NetworksJunos OSAffected
  • >=25.2 <25.2R2
Fixed in
  • 25.2R2
Juniper NetworksJunos OSAffected
  • >=24.4 <24.4R2
Fixed in
  • 24.4R2
Juniper NetworksJunos OSAffected
  • >=24.2 <24.2R2-S3
Fixed in
  • 24.2R2-S3
Juniper NetworksJunos OSAffected
  • >=23.4 <23.4R2-S6
Fixed in
  • 23.4R2-S6
Juniper NetworksJunos OSAffected
  • >=23.2 <23.2R2-S6
Fixed in
  • 23.2R2-S6
Juniper NetworksJunos OSAffected
  • <22.4R3-S8
Fixed in
  • 22.4R3-S8

AI-suggested

A patch is available for this vulnerability. Juniper Networks manages remediation for this cloud-hosted service; users should apply the official patches corresponding to their Junos OS versions as listed (22.4R3-S8 and later, 23.2R2-S6 and later, 23.4R2-S6 and later, 24.2R2-S3 and later, 24.4R2 and later, 25.2R2 and later). Check the vendor advisory for the latest remediation guidance and apply updates promptly.

Description

A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to Linux-based line cards as root. This issue affects systems running Junos OS using Linux-based line cards. Affected line cards include: * MPC7, MPC8, MPC9, MPC10, MPC11 * LC2101, LC2103 * LC480, LC4800, LC9600 * MX304 (built-in FPC) * MX-SPC3 * SRX5K-SPC3 * EX9200-40XS * FPC3-PTX-U2, FPC3-PTX-U3 * FPC3-SFF-PTX * LC1101, LC1102, LC1104, LC1105 This issue affects Junos OS:  * all versions before 22.4R3-S8,  * from 23.2 before 23.2R2-S6,  * from 23.4 before 23.4R2-S6,  * from 24.2 before 24.2R2-S3,  * from 24.4 before 24.4R2, * from 25.2 before 25.2R2.

References

Community reviews

Loading reviews…