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Vulnerability record · CVE-2026-4622 · published 27 March 2026

CVE-2026-4622: Nec aterm wg2600hs firmware os command injection vulnerability

Nec · Aterm Wg2600hs Firmware

OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

7.1 CVSS 4.0 High EPSS 1.2% · top 32.5% CWE-78 · OS command injection
7.1CVSS 4.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/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:

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jpn.nec.com/security-info/secinfo/nv26-001_en.html Vendor Advisory

Track CVE-2026-4622 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-5524Nec aterm wg2600hs firmware os command injection vulnerabilityAterm series (Aterm WF1200C firmware Ver1.2.1 and earlier, Aterm WG1200CR firmware Ver1.2.1 and earlier, Aterm WG2600HS firmware Ver1.3.2 and earlier…EPSS 1.0%8.8CVE-2018-16195Nec aterm wf1200cr firmware os command injection vulnerabilityAterm WF1200CR and Aterm WG1200CR (Aterm WF1200CR firmware Ver1.1.1 and earlier, Aterm WG1200CR firmware Ver1.0.1 and earlier) allows an attacker on …EPSS 0.73%8.0CVE-2020-5525Nec aterm wg2600hs firmware os command injection vulnerabilityAterm series (Aterm WF1200C firmware Ver1.2.1 and earlier, Aterm WG1200CR firmware Ver1.2.1 and earlier, Aterm WG2600HS firmware Ver1.3.2 and earlier…EPSS 0.87%7.2CVE-2021-20708Nec aterm wf1200cr firmware os command injection vulnerabilityNEC Aterm devices (Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 a…EPSS 1.2%7.2CVE-2021-20709Nec aterm wf1200cr firmware vulnerabilityImproper validation of integrity check value vulnerability in NEC Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and …EPSS 0.66%7.2CVE-2018-16194Nec aterm wf1200cr firmware os command injection vulnerabilityAterm WF1200CR and Aterm WG1200CR (Aterm WF1200CR firmware Ver1.1.1 and earlier, Aterm WG1200CR firmware Ver1.0.1 and earlier) allows authenticated a…EPSS 1.4%6.5CVE-2018-16192Nec aterm wf1200cr firmware information exposure vulnerabilityAterm WF1200CR and Aterm WG1200CR (Aterm WF1200CR firmware Ver1.1.1 and earlier, Aterm WG1200CR firmware Ver1.0.1 and earlier) allow an attacker on t…EPSS 0.50%6.3CVE-2026-4309Nec aterm wg2600hs firmware missing authorization vulnerabilityMissing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the setting…EPSS 0.23%

Source: NIST National Vulnerability Database (record CVE-2026-4622), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.