Critical severity · published Jan 20, 2026
CVE-2025-55423
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…
9.8
CVSS
3.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A1 Firmware · Iptime
9.96.8 through 10.07.4 · source: NVD
AF
A1004 Firmware · Iptime
9.90.8 through 12.16.2 · source: NVD
AF
A1004ns Firmware · Iptime
9.96.0 through 12.16.2 · source: NVD
AF
A1004v Firmware · Iptime
9.90.8 through 12.16.2 · source: NVD
AF
A104 Firmware · Iptime
9.90.8 through 10.03.8 · source: NVD
AF
A104ns Firmware · Iptime
9.96.0 through 12.16.2 · source: NVD
AF
A104r Firmware · Iptime
9.90.8 through 10.07.4 · source: NVD
AF
A2003mu Firmware · Iptime
12.13.0 through 12.16.2 · source: NVD
AF
A2003ns-mu Firmware · Iptime
10.00.6 through 12.16.2 · source: NVD
AF
A2004 Firmware · Iptime
9.90.8 through 10.07.4 · source: NVD
AF
Ax11000 Firmware · Iptime
14.16.6 through 14.19.4 · source: NVD
AF
Ax2002mesh Firmware · Iptime
14.16.6 through 14.19.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55423
Third Party Advisory
https://docs.google.com/spreadsheets/d/1kryOFltCmnPJvDTpIrudgryt79uI4PWchuQ8-Gak24c/edit?usp=sharing
Exploit
https://github.com/0x0xxxx/CVE/blob/main/CVE-2025-55423/README.md
Third Party Advisory
https://github.com/0x0xxxx/CVE/blob/main/CVE-2025-55423/assets/affected_products_cve_format.json
Vendor Advisory
https://iptime.com/iptime/?pageid=4&page_id=126&dfsid=3&dftid=583&uid=25203&mod=document