Vulnerability · Published Jan 20, 2026 · Assigned by mitre
CVE-2025-55423
Critical 9.8
In plain English
A critical-severity code injection in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)3.7%top 10.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official 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.
Affected products (as reported)
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://iptime.com/iptime/?pageid=4&page_id=126&dfsid=3&dftid=583&uid=25203&mod=document
- https://docs.google.com/spreadsheets/d/1kryOFltCmnPJvDTpIrudgryt79uI4PWchuQ8-Gak24c/edit?usp=sharing
- https://github.com/0x0xxxx/CVE/blob/main/CVE-2025-55423/README.md
- https://github.com/0x0xxxx/CVE/blob/main/CVE-2025-55423/assets/affected_products_cve_format.json