What is CVE-2021-32941?

CVE-2021-32941 is a critical-severity vulnerability in Annke N48pbb, classified under Stack-based Buffer Overflow. CVSS score: 9.4/10. Published 2022-05-23.

How severe is CVE-2021-32941?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Is CVE-2021-32941 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Annke N48pbb

CVE-2021-32941

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).

Vulnerability class: Buffer Overflow

Published 2022-05-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

EPSS exploit prediction

EPSS: 0.149 (96.6th percentile), scored 2026-10-02.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.146 · newest: 0.149 · change: +0.003

Affected products

Annke N48pbb
Annke N48pbb Firmware — versions 3.4.106
Annke N48pbb (Nvr) — versions All

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

www.cisa.gov/uscert/ics/advisories/icsa-21-238-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32941?: CVE-2021-32941 is a critical-severity vulnerability in Annke N48pbb, classified under Stack-based Buffer Overflow. CVSS score: 9.4/10. Published 2022-05-23.
How severe is CVE-2021-32941?: Critical severity. CVSS v3 base score is 9.4 out of 10.
Is CVE-2021-32941 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.