CVE-2020-5525

Name: CVE-2020-5525
Creator: NVD / NIST
Published: 2020-02-21T10:15:11.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2020-5525 is a high-severity vulnerability rated 8/10 on the CVSS scale. Aterm 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) allows an authenticated attacker on the same network segment to execute arbitrary OS commands with root privileges via management screen.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

Aterm 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) allows an authenticated attacker on the same network segment to execute arbitrary OS commands with root privileges via management screen.

Metrics

CVSS 3.1

8/10

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.87%

54.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Nec	Aterm Wg2600hs Firmware	<= 1.3.2
Nec	Aterm Wf1200c Firmware	<= 1.2.1
Nec	Aterm Wg1200cr Firmware	<= 1.2.1

References

https://jpn.nec.com/security-info/secinfo/nv20-003.htmlNot Applicable, Third Party Advisory
https://jvn.jp/en/jp/JVN49410695/index.htmlNot Applicable, Third Party Advisory
https://jpn.nec.com/security-info/secinfo/nv20-003.htmlNot Applicable, Third Party Advisory
https://jvn.jp/en/jp/JVN49410695/index.htmlNot Applicable, Third Party Advisory

Timeline

Published: Feb 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5525?

How severe is CVE-2020-5525?

CVE-2020-5525 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5525?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5525?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST