#VU104062 Missing Authentication for Critical Function in NEC Corporation products - CVE-2025-0355

Vulnerability identifier: #VU104062

Vulnerability risk: High

CVSSv4.0: 6.6 [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/E:U/U:Amber]

CVE-ID: CVE-2025-0355

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Aterm WG2600HS
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm WF1200CR
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm WG1200CR
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm GB1200PE
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm WG2600HP4
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm WG2600HM4
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm WG2600HS2
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm WX3000HP
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aterm WX4200D5
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NEC Corporation

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Aterm WG2600HS: before 1.7.2

Aterm WF1200CR: before 1.6.0

Aterm WG1200CR: before 1.5.0

Aterm GB1200PE: before 1.3.0

Aterm WG2600HP4: before 1.4.2

Aterm WG2600HM4: before 1.4.2

Aterm WG2600HS2: before 1.3.2

Aterm WX3000HP: before 2.4.2

Aterm WX4200D5: before 1.2.4

---

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

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.