Missing Authentication for Critical Function in NEC Corporation products - CVE-2025-0355

Vulnerability identifier: #VU104062

CSH Severity: High

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-0355

CWE-ID: CWE-306

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing authentication for critical function in dloader.php. A remote attacker can obtain the Wi-Fi passwords.

Aterm WX4200D5
Aterm GB1200PE
Aterm WG2600HS2
Aterm WG2600HP4
Aterm WG2600HM4
Aterm WG1200CR
Aterm WF1200CR
Aterm WG2600HS
Aterm WX3000HP

Install updates from vendor's website.

Aterm WX4200D5 - update to 1.2.4
Aterm GB1200PE - update to 1.3.0
Aterm WG2600HS2 - update to 1.3.2
Aterm WG2600HP4 - update to 1.4.2
Aterm WG2600HM4 - update to 1.4.2
Aterm WG1200CR - update to 1.5.0
Aterm WF1200CR - update to 1.6.0
Aterm WG2600HS - update to 1.7.2
Aterm WX3000HP - update to 2.4.2

• https://jpn.nec.com/security-info/secinfo/nv25-003_en.html
• https://jvn.jp/en/jp/JVN65447879/index.html

• Multiple vulnerabilities in NEC Aterm series