Home/CVE/A command injection vulnerability exists in the upnp_relay() function in multiple ipTIME router models because the contr
CVE

CVE-2025-55423

A command injection vulnerability exists in the upnp_relay() function in multiple ipTIME router models because the contr

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.

CRITICAL · CVSS 9.8 EPSS 0.00665
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

60
iptime n104s-r1 firmware>= 9.90.8 and <= 10.02.2
iptime n104v firmware>= 9.90.8 and <= 10.06.8
iptime n1e firmware>= 9.90.8 and <= 10.06.8
iptime n1plus firmware>= 9.90.8 and <= 10.06.8
iptime n1plus-i firmware>= 9.99.6 and <= 10.06.8
iptime n1v firmware>= 11.01.2 and <= 12.07.6
iptime n2e firmware>= 9.90.8 and <= 10.06.8
iptime n2eplus firmware>= 9.90.8 and <= 10.06.8
⚠

Public Exploits & PoCs

1
pocgithub.com · README.mdgithub.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Jan 2026 · 06:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.google.com/spreadsheets/d/1kryOFltCmnPJvDTpIrudgryt79uI4PWchuQ8-Gak24c/edit?usp=sharingThird Party Advisory
https://github.com/0x0xxxx/CVE/blob/main/CVE-2025-55423/assets/affected_products_cve_format.jsonThird Party Advisory
https://iptime.com/iptime/?pageid=4&page_id=126&dfsid=3&dftid=583&uid=25203&mod=documentVendor Advisory
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