CVE-2025-55423

ipTIME routers A2003NS-MU 10.00.6 to 12.16.2 , N600 10.00.8 to 12.16.2, A604-V3 10.01.6 to 10.07...

9.8 CriticalPublic exploit

A command injection vulnerability exists in the upnp_relay() function in multiple ipTIME router models because the controlURL value used to pass port-forwarding information to an upper router is passed to system() without proper validation or sanitization, allowing OS command injection.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.74%Up 3.6 points since Jan 21, 2026

What each source reports

CVE List Score used 9.8

Record: CVE-2025-55423
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

EUVDEUVD-2026-3376 9.8

Record: EUVD-2026-3376
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-495m-v35r-f849 9.8

ipTIME routers A2003NS-MU 10.00.6 to 12.16.2 , N600 10.00.8 to 12.16.2, A604-V3 10.01.6 to 10.07...

ipTIME routers A2003NS-MU 10.00.6 to 12.16.2 , N600 10.00.8 to 12.16.2, A604-V3 10.01.6 to 10.07.2, A6ns-M 10.01.6 to 14.19.4 , V508 10.02.2 to 10.06.4, N704QCA 10.02.4 to 12.16.2, A8ns-M 10.03.2 to 14.19.4, A304 10.05.4 to 10.07.4, A3004NS-M,A5004NS-M,A9004M 10.05.4 to 14.19.4, N702R 10.05.8 to 10.06.8, A604M 10.06.4 to 10.07.2, A804NS-MU 10.06.4 to 12.10.2, N804R 10.06.4 to 12.16.2, A7004M,A8004T 10.06.8 to 14.19.4, A604G-MU 10.07.4 to 12.16.2, A3008-MU 10.08.4 to 14.19.4, A2004MU and A2004NS-MU 10.08.6 to 12.17.0, A604-V5,A604R, N702E 10.09.2 to 12.16.2, N2V 10.09.2 to 12.16.8, N604E 10.09.2 to 14.19.4, N104E 10.09.4 to 12.15.2, A8004ITL 11.00.4 to 14.19.4, N102E 11.00.8 to 12.15.2, N1V 11.01.2 to 12.07.6, N102i 11.01.2 to 12.15.2, T5004 11.96.4 to 14.19.4, N602E 11.96.6 to 12.16.8, AX8004BCM and A8004T-XR 11.97.2 to 14.19.4, A9004M-X2, T5008 11.98.2 to 14.19.4, N704E 11.98.4 to 12.16.2, A8004BCM 11.99.1 to 12.16.2, AX3004ITL 12.01.2 to 14.19.4 and A604G-skylife 12.02.4 to 12.12 were discovered to contain an OS command injection vulnerability via the function upnp_relay().

Record: GHSA-495m-v35r-f849
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

NVD 9.8

Record: CVE-2025-55423
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

Affected products

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Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	logis11/CVE-2025-55423-analysis-and-reproduction	2026-05-22

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-55423 is a critical vulnerability (CVSS 9.8) in Iptime A1004 Firmware, published January 20, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.74%, the 89th percentile. No source names a fixed version.