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No exploitation reportedFix available

CVE-2021-32941

No exploitation reported by the sources we read.

  • Published2022-05-23
  • Fixed in3.4.106
  • WeaknessCWE-121 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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).

Timeline

dates in UTC
  1. 2022-05-2319:16CVE publishedNVD
  2. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-32941?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-32941?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Annke n48pbb firmwareversion to verify
BranchAffectedFixed in
3.4< 3.4.1063.4.106
3.4= 3.4.106no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-21-238-02 CISA1 known affected

    Annke Network Video Recorder

    V3.4.106: build 200422 and prior

Full record on NVD

Fix

  1. Update Annke n48pbb firmware to 3.4.106
  2. Mitigation from the vendor CISA ICSA-21-238-02 · 1 productAnnke recommends users update to the latest version.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-04-16
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.19.4read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.010read 2026-10-23
  • CNAweakness (CWE)CWE-121read 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score14.9 %read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-05-23
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is 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).

Is CVE-2021-32941 actively exploited?

Active exploitation of CVE-2021-32941 has not been confirmed. Its EPSS score was 14.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-32941?

CVE-2021-32941 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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