CRLF Injection Vulnerability in Oray Pugongying X5 Pro Router
CVE-2026-116231

9.4CRITICAL

Key Information:

Vendor

Oray

Status
Pugongying X5 Pro
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116231?

A security flaw has been identified in the Oray Pugongying X5 Pro Router, specifically within the Ser2net component. The vulnerability arises from improper handling of input, allowing attackers to manipulate the 'regmsg' argument, resulting in CRLF injection. This flaw can be exploited remotely, enabling the potential for unauthenticated users to launch attacks. The details of this vulnerability have been publicly disclosed, posing significant risks to users of this product. Despite early notification to the vendor, there has been no acknowledgment or response regarding this critical issue.

Affected Version(s)

Pugongying X5 Pro 7.6.1

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-2026-116231 - Proof of Concept

References

https://vuldb.com/vuln/426280
vdb-entrytechnical-description
https://vuldb.com/vuln/426280/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116231
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

FirmHarness (VulDB User)
VulDB CNA Team
.