Ref# ADV2026_25 | Date: Jan 22nd 2026

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Juniper Networks published a security advisory highlighting vulnerabilities in multiple products on January 14th, 2026. It is recommended that you take the necessary precautions by ensuring your products are always updated. 

• Juniper Networks Policy Enforcer – versions prior to 24.1R3 

• Juniper Networks Paragon Automation – versions prior to 24.1.1 

• Junos OS Evolved – multiple versions 

• Junos OS on EX4000 – versions prior to 24.4R2 

• Junos OS on EX4000 – versions prior to 25.2R1-S2 and 25.2R2 

• Junos OS on MX Series – multiple versions 

• Junos OS on QFX5k Series – multiple versions 

• Junos OS on SRX Series – multiple versions 

• Junos OS on EX Series – multiple versions 

• Junos OS – multiple versions 

• Junos Space – versions prior to 24.1R5 

 

For more information on these updates, you can follow this URL: 

• Juniper Networks Security Advisories 

 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary. 

 PDF Download: Juniper Networks Security Advisory

References 

• Juniper Networks Security Advisories. (n.b). Retrieved from Juniper Networks. https://supportportal.juniper.net/s/global-search/%40uri?language=en_US#sort=%40sfcec_community_publish_date_formula__c%20descending 

 

• Juniper Networks security advisory. (January 20, 2026). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/juniper-networks-security-advisory-av26-041