CRLF Injection Vulnerability in Oray Pugongying X5 Pro Router
CVE-2026-116235

9.4CRITICAL

Key Information:

Vendor

Oray

Status
Pugongying X5 Pro
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116235?

A security flaw has been identified in the Oray Pugongying X5 Pro Router 7.6.1, primarily residing in the L2TP authentication feature. The vulnerability allows attackers to manipulate the Username argument, leading to CRLF injection, which can be exploited remotely. Despite early notification, the vendor did not provide a response regarding this issue, raising concerns about potential misuse of the exploit that has already been shared publicly.

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-2026-116235 - Proof of Concept

References

https://vuldb.com/vuln/426284
vdb-entrytechnical-description
https://vuldb.com/vuln/426284/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116235
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
.