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: 8.2 [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]
CVE-ID: CVE-2026-33794
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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).
Affected software
Junos OS Evolved
How to mitigate CVE-2026-33794
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 24.4R2-S3-EVO, 25.2R2-EVO, 25.4R1-EVO