Vulnerability · Published Oct 26, 2026 · Assigned by VulDB

CVE-2026-116233Oray Pugongying X5 Pro Dnsmasq crlf injection

Critical 9.1

In plain English

A critical-severity injection in Pugongying X5 Pro from Oray. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical

Exploit odds (30 days)0.5%top 59.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
Oray	Pugongying X5 Pro	7.6.1

Weakness: CWE-93, CWE-74 · Vector: 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

References

VDB-426282 | Oray Pugongying X5 Pro Dnsmasq crlf injection vdb-entry, technical-description
VDB-426282 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-116233 | CVE Analysis and Report third-party-advisory
Submit #1005081 | Oray Pgyer X5 Pro Router 7.6.1 Improper Neutralization of CRLF Sequences ('CRLF Injection') third-party-advisory
https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router-7-6-1-Dnsmasq-Directive-Injection-Through-DHCP-Lease-Time-3ea797159f1580979394d23087844670 exploit