CVE-2021-32941 - CVE House
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Status published Critical CVE-2021-32941

Annke Network Video Recorder - Stack-based Buffer Overflow

Vulnerability Description

Annke N48PBB (Network Video Recorder) products of version 3.4.106 build 200422 and prior are vulnerable to a stack-based buffer overflow, which allows an unauthorized remote attacker to execute arbitrary code with the same privileges as the server user (root).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Andrea Palanca from Nozomi Networks reported this vulnerability to CISA.

References

Affected Vendor

Affected Software

N48PBB (NVR)
Vulnerable Versions:
All

Timeline

Official Publish: May 23rd, 2022
Last Modified: April 16th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Weaknesses (CWE)

CWE-121

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact