---
title: "NEC vulnerabilities: CVEs, CISA KEV and security advisories"
url: https://radicalnotion.ai/vendor/nec
type: vendor
description: "NEC has 141 published CVEs, 0 in CISA KEV and 8 with public exploits."
updated: 2026-09-07
source: RadicalNotion.AI
license: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/)
---

# NEC vulnerabilities

- **Published CVEs:** 141
- **In CISA KEV:** 0
- **With a public exploit:** 8
- **With a patch:** 13
- **Average CVSS:** 7.6
- **CVEs in the last two years:** 14
- **First CVE:** 1999-09-29
- **Latest CVE:** 2026-09-07

## Severity breakdown

| Severity | CVEs |
| --- | --- |
| Critical | 37 |
| High | 66 |
| Medium | 36 |
| Low | 2 |
| Unscored | 0 |

## Most affected products

| Product | CVEs |
| --- | --- |
| [expresscluster x](https://radicalnotion.ai/vendor/nec/expresscluster-x) | 19 |
| [aterm w300p firmware](https://radicalnotion.ai/vendor/nec/aterm-w300p-firmware) | 18 |
| [Aterm W300P](https://radicalnotion.ai/vendor/nec/aterm-w300p) | 18 |
| [aterm wg1200hp](https://radicalnotion.ai/vendor/nec/aterm-wg1200hp) | 17 |
| [aterm wg1200hp firmware](https://radicalnotion.ai/vendor/nec/aterm-wg1200hp-firmware) | 17 |
| [expresscluster x singleserversafe](https://radicalnotion.ai/vendor/nec/expresscluster-x-singleserversafe) | 17 |
| [aterm wf300hp firmware](https://radicalnotion.ai/vendor/nec/aterm-wf300hp-firmware) | 16 |
| [Aterm WG1400HP](https://radicalnotion.ai/vendor/nec/aterm-wg1400hp) | 16 |

## Most common weakness types

| CWE | Name | CVEs |
| --- | --- | --- |
| [CWE-78](https://radicalnotion.ai/cwe/cwe-78) | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | 34 |
| [CWE-79](https://radicalnotion.ai/cwe/cwe-79) | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | 9 |
| [CWE-287](https://radicalnotion.ai/cwe/cwe-287) | Improper Authentication | 8 |
| [CWE-22](https://radicalnotion.ai/cwe/cwe-22) | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | 6 |
| [CWE-120](https://radicalnotion.ai/cwe/cwe-120) | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | 6 |
| [CWE-119](https://radicalnotion.ai/cwe/cwe-119) | Improper Restriction of Operations within the Bounds of a Memory Buffer | 6 |
| [CWE-20](https://radicalnotion.ai/cwe/cwe-20) | Improper Input Validation | 5 |
| [CWE-276](https://radicalnotion.ai/cwe/cwe-276) | Incorrect Default Permissions | 3 |

## Assigning CNAs

| CNA | CVEs |
| --- | --- |
| [NEC](https://radicalnotion.ai/cna/nec) | 53 |
| [jpcert](https://radicalnotion.ai/cna/jpcert) | 50 |
| [mitre](https://radicalnotion.ai/cna/mitre) | 35 |
| [zdi](https://radicalnotion.ai/cna/zdi) | 3 |

## CVEs by year

| Year | CVEs published |
| --- | --- |
| 2019 | 21 |
| 2020 | 21 |
| 2021 | 23 |
| 2022 | 6 |
| 2023 | 12 |
| 2024 | 15 |
| 2025 | 7 |
| 2026 | 7 |

## Latest CVEs

| CVE | Title | Severity | CVSS | EPSS | CISA KEV | Published |
| --- | --- | --- | --- | --- | --- | --- |
| CVE-2026-16876 | - | critical | 9.3 | 0.6% | No | 2026-09-07 |
| CVE-2026-8797 | - | high | 8.5 | 0.1% | No | 2026-06-26 |
| CVE-2026-4620 | - | high | 7.1 | 1.0% | No | 2026-03-27 |
| CVE-2026-4622 | - | high | 7.1 | 0.9% | No | 2026-03-27 |
| CVE-2026-4621 | - | medium | 6.3 | 0.2% | No | 2026-03-27 |
| CVE-2026-4619 | - | medium | 6.0 | 0.3% | No | 2026-03-27 |
| CVE-2026-4309 | - | medium | 6.3 | 0.1% | No | 2026-03-27 |
| CVE-2025-12852 | - | high | 8.4 | 0.1% | No | 2025-11-19 |
| CVE-2025-11546 | - | critical | 9.3 | 0.4% | No | 2025-11-07 |
| CVE-2025-8153 | - | medium | 5.1 | 0.3% | No | 2025-09-17 |
| CVE-2024-6466 | - | medium | 5.3 | 0.3% | No | 2025-01-21 |
| CVE-2025-0356 | - | high | 7.2 | 0.6% | No | 2025-01-15 |

## Frequently asked questions

### How many CVEs does NEC have?

NEC has 141 published CVE records since 1999, including 14 in the last two years.

### How many NEC CVEs are in CISA KEV?

None of NEC's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

### Which NEC products have the most CVEs?

The NEC products with the most published CVEs are expresscluster x, aterm w300p firmware, Aterm W300P, aterm wg1200hp, aterm wg1200hp firmware.

### What are the most common weakness types in NEC CVEs?

NEC's CVEs most often map to these CWE weakness types: CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-287 (Improper Authentication), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')).

### Are there public exploits for NEC vulnerabilities?

Yes — 8 of NEC's CVEs have a known public exploit.

### How many critical NEC vulnerabilities are there?

NEC has 37 critical and 66 high-severity CVEs.

### What is the average severity of NEC CVEs?

The average CVSS base score across NEC's scored CVEs is 7.6.

## Related vendors

- [axiomatic-systems](https://radicalnotion.ai/vendor/axiomaticsystems) (142 CVEs)
- [WPChill](https://radicalnotion.ai/vendor/wpchill) (142 CVEs)
- [Tungsten Automation](https://radicalnotion.ai/vendor/tungsten-automation) (141 CVEs)
- [Kubernetes](https://radicalnotion.ai/vendor/kubernetes) (140 CVEs)
- [ruby-lang](https://radicalnotion.ai/vendor/rubylang) (140 CVEs)
- [AncoraThemes](https://radicalnotion.ai/vendor/ancorathemes) (140 CVEs)
- [anisha](https://radicalnotion.ai/vendor/anisha) (140 CVEs)
- [Avaya](https://radicalnotion.ai/vendor/avaya) (140 CVEs)

---

Source: [RadicalNotion.AI](https://radicalnotion.ai/vendor/nec). Licensed CC BY-NC 4.0; attribute RadicalNotion.AI and link the source page when you reuse this data.