---
id: CVE-2026-116231
title: Oray Pugongying X5 Pro Ser2net crlf injection
summary: >-
  A security flaw has been discovered in Oray Pugongying X5 Pro 7.6.1. The
  impacted element is an unknown function of the component Ser2net. Performing a
  manipulation of the argument regmsg results in crlf injection. It is possible
  to init…
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-93
  - CWE-74
vendor: Oray
product: Pugongying X5 Pro
affected:
  - pugongying_x5_pro 7.6.1
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T07:45:15.427Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116231'
references:
  - url: 'https://vuldb.com/vuln/426280'
    label: VDB-426280 | Oray Pugongying X5 Pro Ser2net crlf injection
  - url: 'https://vuldb.com/vuln/426280/cti'
    label: 'VDB-426280 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-116231'
    label: CVE-2026-116231 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1005078'
    label: >-
      Submit #1005078 | Oray Pgyer X5 Pro Router 7.6.1 Improper Neutralization
      of CRLF Sequences ('CRLF Injection')
  - url: >-
      https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router-7-6-1-A-Serial-Banner-Newline-Lets-ser2net-Overwrite-Existing-Files-3ea797159f158019b687eadcc7d6a85b
tags:
  - cve.org
ingestedAt: '2026-10-26T08:21:41.800Z'
---

## Overview

A security flaw has been discovered in Oray Pugongying X5 Pro 7.6.1. The impacted element is an unknown function of the component Ser2net. Performing a manipulation of the argument regmsg results in crlf injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `pugongying_x5_pro 7.6.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.