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CVE-2026-4309

Missing authorization in Nec Aterm Wg2600hs Firmware

CVSS score

6.5

EPSS probability

%0.1

Risk score

0.0

Published

7 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-4309 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-4309 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1necaterm wg2600hs firmware View
2necaterm wg2600hs View
3necaterm wf1200cr firmware View
4necaterm wf1200cr View
5necaterm wg1200cr firmware View
6necaterm wg1200cr View
7necaterm wg2600hp4 firmware View
8necaterm wg2600hp4 View
9necaterm wg2600hm4 firmware View
10necaterm wg2600hm4 View
11necaterm wg2600hs2 firmware View
12necaterm wg2600hs2 View
13necaterm wx3000hp firmware View
14necaterm wx3000hp View
15necaterm wx3600hp firmware View
16necaterm wx3600hp View
17necaterm w1200ex-ms firmware View
18necaterm w1200ex-ms View
19necaterm wg1200hp2 firmware View
20necaterm wg1200hp2 View
21necaterm wg1900hp firmware View
22necaterm wg1900hp View
23necaterm wg1200hs2 firmware View
24necaterm wg1200hs2 View
25necaterm wg1800hp3 firmware View
26necaterm wg1800hp3 View
27necaterm wg1200hp3 firmware View
28necaterm wg1200hp3 View
29necaterm wg1900hp2 firmware View
30necaterm wg1900hp2 View
31necaterm wg1200hs3 firmware View
32necaterm wg1200hs3 View
33necaterm wg1800hp4 firmware View
34necaterm wg1800hp4 View
35necaterm wg1200hp4 firmware View
36necaterm wg1200hp4 View
37necaterm wg1200hs4 firmware View
38necaterm wg1200hs4 View
39necaterm wx1500hp firmware View
40necaterm wx1500hp View
Total affected vendors: 1|Products: 40

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.5CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NNVD
6.3CVSS V40MEDIUMCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-4309 is associated with the following CWEs:

CWE-862: Common Weakness Enumeration Entry CWE-862

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-4309 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://jpn.nec.com/security-info/secinfo/nv26-001_en.htmlvendor-advisory

CVSS Vector Radar Chart

6.5 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

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Weakness Type (CWE & CAPEC)

CWE-862

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CVE-2026-4309 · Missing authorization in Nec Aterm Wg2600hs…