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CVE-2026-33771— CTP OS: Configuring password requirements does not work which permits the use of weak passwords

Quick assessment

Affected
Juniper Networks CTP OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper Networks CTP OS是美国瞻博网络（Juniper Networks）公司的一款电路到分组网络迁移设备运行操作系统。 Juniper Networks CTP OS 9.2R1版本和9.2R2版本存在安全漏洞，该漏洞源于密码管理功能存在弱密码要求，可能导致未认证网络攻击者利用弱密码完全控制设备。

CVSS 7.4 · High EPSS 0.39% · P30
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I. Basic Information for CVE-2026-33771

Vulnerability Information
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Vulnerability Title
CTP OS: Configuring password requirements does not work which permits the use of weak passwords
Source: CVE Program / CVE List V5
Vulnerability Description
A Weak Password Requirements vulnerability in the password management function of Juniper Networks CTP OS might allow an unauthenticated, network-based attacker to exploit weak passwords of local accounts and potentially take full control of the device. The password management menu enables the administrator to set password complexity requirements, but these settings are not saved. The issue can be verified with the menu option "Show password requirements". Failure to enforce the intended requirements can lead to weak passwords being used, which significantly increases the likelihood that an attacker can guess these and subsequently attain unauthorized access. This issue affects CTP OS versions 9.2R1 and 9.2R2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
弱口令要求
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks CTP OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks CTP OS是美国瞻博网络（Juniper Networks）公司的一款电路到分组网络迁移设备运行操作系统。 Juniper Networks CTP OS 9.2R1版本和9.2R2版本存在安全漏洞，该漏洞源于密码管理功能存在弱密码要求，可能导致未认证网络攻击者利用弱密码完全控制设备。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks CTP OS 9.2R1 ~ 9.2R2 -

II. Public POCs for CVE-2026-33771

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III. Intelligence Information for CVE-2026-33771

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Same Patch Batch · Juniper Networks · 2026-04-09 · 26 CVEs total

CVE-2026-33784 9.8 CRITICAL JSI Virtual Lightweight Collector: Default password is not required to be changed which al
CVE-2026-33785 8.8 HIGH Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands in a JDM/CS
CVE-2025-13914 8.7 HIGH Apstra: SSH host key validation vulnerability for managed devices
CVE-2026-33793 7.8 HIGH Junos OS and Junos OS Evolved: When an unsigned Python op script configuration is present,
CVE-2026-33788 7.8 HIGH Junos OS Evolved: Local, authenticated attacker can gain privileged access to FPCs
CVE-2026-33790 7.5 HIGH Junos OS: SRX Series: In a NAT64 configuration, receipt of a specific, malformed ICMPv6 pa
CVE-2026-33778 7.5 HIGH Junos OS: SRX Series, MX Series: When a specifically malformed first ISAKMP packet is rece
CVE-2026-33797 7.4 HIGH Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a
CVE-2026-21916 7.3 HIGH Junos OS: A low privileged user can escalate their privileges so that they can login as ro
CVE-2026-33791 6.7 MEDIUM Junos OS and Junos OS Evolved: Execution of crafted CLI commands allows for arbitrary shel
CVE-2026-21915 6.7 MEDIUM JSI Virtual Lightweight Collector: Shell escape allows privilege escalation to root
CVE-2026-33774 6.5 MEDIUM Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance are n
CVE-2026-33783 6.5 MEDIUM Junos OS Evolved: PTX Series: If SRTE tunnels provisioned via PCEP are present and specifi
CVE-2026-33779 6.5 MEDIUM Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communi
CVE-2026-33775 6.5 MEDIUM Junos OS: MX Series: Mismatch between configured and received packet types causes memory l
CVE-2026-33782 6.5 MEDIUM Junos OS: MX Series: In specific DHCPv6 scenarios jdhcpd memory increases continuously wit
CVE-2026-33780 6.5 MEDIUM Junos OS and Junos OS Evolved: In an EVPN-MPLS scenario churn of ESI routes causes a memor
CVE-2026-33781 6.5 MEDIUM Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packet
CVE-2025-59969 6.5 MEDIUM Junos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast pac
CVE-2026-21919 6.5 MEDIUM Junos OS and Junos OS Evolved: A high frequency of connecting and disconnecting NETCONF se

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Juniper Networks
Same weakness: CWE-521

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