---
id: CVE-2026-116233
title: Oray Pugongying X5 Pro Dnsmasq crlf injection
summary: >-
  A security vulnerability has been detected in Oray Pugongying X5 Pro 7.6.1.
  This impacts an unknown function of the component Dnsmasq. The manipulation of
  the argument rent_time leads to crlf injection. The attack can be initiated
  remote…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/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: '2026-10-26T08:15:14.847Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116233'
references:
  - url: 'https://vuldb.com/vuln/426282'
    label: VDB-426282 | Oray Pugongying X5 Pro Dnsmasq crlf injection
  - url: 'https://vuldb.com/vuln/426282/cti'
    label: 'VDB-426282 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-116233'
    label: CVE-2026-116233 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1005081'
    label: >-
      Submit #1005081 | 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-Dnsmasq-Directive-Injection-Through-DHCP-Lease-Time-3ea797159f1580979394d23087844670
tags:
  - cve.org
ingestedAt: '2026-10-26T09:22:35.525Z'
---

## Overview

A security vulnerability has been detected in Oray Pugongying X5 Pro 7.6.1. This impacts an unknown function of the component Dnsmasq. The manipulation of the argument rent_time leads to crlf injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. 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.