CVE-2026-4309
NEC Aterm Series Missing Authorization Vulnerability
Description
Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.
INFO
Published Date :
March 27, 2026, 12:16 p.m.
Last Modified :
April 20, 2026, 3:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-4309
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | f2760a35-e0d8-4637-ac4c-cc1a2de3e282 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Apply vendor patches or updates for Aterm Series devices.
- Implement robust access controls and authentication mechanisms.
- Review and restrict network access to device management interfaces.
- Disable unnecessary services or features that expose device settings.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4309.
| URL | Resource |
|---|---|
| https://jpn.nec.com/security-info/secinfo/nv26-001_en.html | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4309 is
associated with the following CWEs:
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.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4309 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4309 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 20, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.2 OR cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.0 OR cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.0 OR cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg2600hp4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.2 OR cpe:2.3:h:nec:aterm_wg2600hp4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg2600hm4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.2 OR cpe:2.3:h:nec:aterm_wg2600hm4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg2600hs2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.2 OR cpe:2.3:h:nec:aterm_wg2600hs2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.0 OR cpe:2.3:h:nec:aterm_wx3000hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wx3600hp_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.5.3 OR cpe:2.3:h:nec:aterm_wx3600hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_w1200ex-ms_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_w1200ex-ms:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1200hp2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1200hp2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1900hp_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1900hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1200hs2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1200hs2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1800hp3_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1800hp3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1200hp3_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1200hp3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1900hp2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1900hp2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1200hs3_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1200hs3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1800hp4_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1800hp4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1200hp4_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1200hp4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg1200hs4_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:nec:aterm_wg1200hs4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wx1500hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.2 OR cpe:2.3:h:nec:aterm_wx1500hp:-:*:*:*:*:*:*:* Added Reference Type NEC Corporation: https://jpn.nec.com/security-info/secinfo/nv26-001_en.html Types: Vendor Advisory -
New CVE Received by [email protected]
Mar. 27, 2026
Action Type Old Value New Value Added Description Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network. Added CVSS V4.0 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:X Added CWE CWE-862 Added Reference https://jpn.nec.com/security-info/secinfo/nv26-001_en.html