PT-2021-14171 · Nec · Nec Aterm Wg2600Hs+1

Yoshimitsu Kato · Published 2021-04-26 · Updated 2022-07-12 · CVE-2021-20712

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: NEC Aterm WG2600HS versions 1.5.1 and earlier NEC Aterm WX3000HP versions 1.1.2 and earlier

Description: The issue is related to improper access control in the firmware, allowing devices connected to the LAN side to be accessed from the WAN side due to a defect in the IPv6 firewall function.

Recommendations: For NEC Aterm WG2600HS versions 1.5.1 and earlier, update to a version later than 1.5.1 to resolve the issue. For NEC Aterm WX3000HP versions 1.1.2 and earlier, update to a version later than 1.1.2 to resolve the issue.

Fix

Related Identifiers

CVE-2021-20712

Affected Products

Nec Aterm Wg2600Hs

Nec Aterm Wx3000Hp

References · 5

• https://osv.dev/vulnerability/CVE-2021-20712 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20712 · Security Note
• https://jpn.nec.com/security-info/secinfo/nv21-010.html · Vendor Advisory
• https://jvn.jp/en/jp/JVN29739718/index.html · Note
• https://t.me/cvenotify/13689 · Telegram Post