OS Command Injection Vulnerability in EFM ipTIME C200E Router
CVE-2026-90847

9.4CRITICAL

Key Information:

Vendor

Efm

Status
Iptime C200e
Vendor
CVE Published:
15 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90847?

A security flaw exists in the EFM ipTIME C200E router, specifically within the iux_set.cgi component of the System Setup functionality. This vulnerability allows for remote exploitation through OS command injection, which could permit unauthorized execution of commands on the affected system. Potential attackers could manipulate the system to gain control, compromising the integrity and confidentiality of data. Awareness and remediation are essential, as the exploit has been publicly disclosed.

Affected Version(s)

ipTIME C200E 1.094

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-90847 - Proof of Concept

References

https://vuldb.com/vuln/403400
vdb-entry
https://vuldb.com/vuln/403400/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90847
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

aissac (VulDB User)
.