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

Quick assessment

Affected

Oray Pugongying X5 Pro

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在奥瑞蒲公英 X5 Pro 7.6.1 固件中发现了一个安全漏洞。该漏洞影响 Dnsmasq 组件的某个未知功能。通过操纵参数，可导致 CRLF（回车换行）注入攻击。该攻击可远程发起。利用代码已在公开渠道披露，可能被利用。厂商已在此漏洞披露初期被联系，但至今未作任何回应。

CVSS 9.1 · Critical Updated Oct 26, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Oray Pugongying X5 Pro Dnsmasq crlf injection

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

对CRLF序列的转义处理不恰当(CRLF注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Oray	Pugongying X5 Pro	7.6.1	`cpe:2.3:a:oray:pugongying_x5_pro::::::::`

II. Public POCs for CVE-2026-116233

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-116233

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Other References for CVE-2026-116233 (4)

https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router-7-6-1-Dnsmasq-Directive-Injection-Through-DHCP-Lease-Time-3ea797159f1580979394d23087844670 exploit
https://vuldb.com/cve/CVE-2026-116233 third-party-advisory
https://vuldb.com/vuln/426282/cti signature permissions-required
https://vuldb.com/submit/1005081 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-116233

Same Patch Batch · Oray · 2026-10-26 · 7 CVEs total

CVE-2026-116231	9.9 CRITICAL	Oray Pugongying X5 Pro Ser2net crlf injection
CVE-2026-116232	9.9 CRITICAL	Oray Pugongying X5 Pro SNMP snmp_set crlf injection
CVE-2026-116234	9.1 CRITICAL	Oray Pugongying X5 Pro IPsec Policy ipsec.conf crlf injection
CVE-2026-116235	9.1 CRITICAL	Oray Pugongying X5 Pro L2TP Authentication crlf injection
CVE-2026-116237	8.4 HIGH	Oray Pugongying X5 Pro Dnsmasq crlf injection
CVE-2026-116236	7.2 HIGH	Oray Pugongying X5 Pro PPPoE WAN Setting upload_files plugin_init unrestricted upload

IV. Related Vulnerabilities

Same product: Pugongying X5 Pro

Same vendor: Oray

Same weakness: CWE-93