CVE-2026-33367 SNMP - Authentication Bypass

SNMP contains an authentication bypass vulnerability caused by lack of authentication for administrative actions, letting attackers perform configuration retrieval, user modification, and firmware upgrades without authentication.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Privilege Escalation, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Implement authentication mechanisms or update to versions with authentication enforced.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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