Improper Check for Unusual or Exceptional Conditions in Junos OS Evolved - CVE-2026-33794

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Main Vulnerability Database Vulnerabilities #VU137134

Improper Check for Unusual or Exceptional Conditions in Junos OS Evolved - CVE-2026-33794

Published: July 8, 2026


Vulnerability identifier: #VU137134
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33794
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper check for unusual or exceptional conditions error in the advanced forwarding toolkit (evo-aftmand). A remote non-authenticated attacker can crash the evo-aftmand process on the PFE, leading to a Denial-of-Service (DoS).


How to mitigate CVE-2026-33794

Install updates from vendor's website.

Sources