【Vulnerability Alert】 A Critical Security Vulnerability Exists in Juniper Networks CTP OS (CVE-2026-33771)

publish date : 2026-04-13 update date : 2026-04-13

Source: Ministry of education information & communication security contingency platform

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Publication Number TACERT-ANA-2026041002042323 Publication Time 2026/04/10 14:33
Incident Type ANA-Vulnerability Alert Discovery Time 2026/04/10 14:33
Impact Level Low  
[Subject]
【Vulnerability Alert】 A Critical Security Vulnerability Exists in Juniper Networks CTP OS (CVE-2026-33771)
[Content]
Forwarded from TWCERTCC-200-202604-00000009

Juniper Networks CTP OS contains a critical security vulnerability (CVE-2026-33771, CVSS 4.x: 9.1). This is a Weak Password Requirements vulnerability that may allow an unauthenticated network attacker to gain control of the device by exploiting the weak password of a local account.


(Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]

Juniper Networks CTP OS versions 9.2R1 and 9.2R2

[Recommended Actions]

Please update to Juniper Networks CTP OS version 9.3R1 or later (inclusive).

[Reference]
https://www.twcert.org.tw/tw/cp-169-10829-d8f35-1.html
(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center