HOMEVULNERABILITIESCVE-2023-43891
CRITICAL

CVE-2023-43891

CWE-77Published: October 2, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability in the Changing Username and Password function. This vulnerability is exploited via a crafted payload.

NVD Source

Technical Analysis

CVE-2023-43891 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

netis-systems2 product(s)
n3m firmwaren3m
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/adhikara13/CVE/blob/main/netis_N3/command%20injection%20in%20changing%20password%20feature.md
ADVISORYhttps://github.com/adhikara13/CVE/blob/main/netis_N3/command%20injection%20in%20changing%20password%20feature.md

All References (2)

→
https://github.com/adhikara13/CVE/blob/main/netis_N3/command%20injection%20in%20changing%20password%20feature.mdExploit · Third Party Advisory
→
https://github.com/adhikara13/CVE/blob/main/netis_N3/command%20injection%20in%20changing%20password%20feature.mdExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2023-43891
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedOct 2, 2023

Related CVEs (CWE-77)

CVE-2015-1815
10.0
CVE-2015-6912
10.0
CVE-2024-32766
10.0
CVE-2024-28354
10.0
CVE-2015-5082
10.0
CVE-2024-48841
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-43891 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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