CVE-2026-116233
CRITICAL 9.4A 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.
Severe if exploited (CVSS 9.4), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.5%chance of exploitation in 30 days · 40th percentile
Impact if exploited
9.4CVSS 4.0 · CRITICAL
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires an admin / high-privilege account
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
- ✓Requirements: No special attack requirements
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
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Data snapshot:
Weakness (CWE)
- CWE-93: CRLF Injection
- CWE-74: Injection
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
References and research data (JSON)
All CVSS metrics
- CRITICAL 9.4 v4.0 · CNA Primary
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P - CRITICAL 9.1 v3.1 · CNA Primary
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 - CRITICAL 9.1 v3.0 · CNA Primary
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R - HIGH 8.3 v2.0 · CNA Primary
AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
References
Exploit-tagged references (not proof of a PoC)
- https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router-7-6-1-Dnsmasq-Directive-Injection-Through-DHCP-Lease-Time-3ea797159f1580979394d23087844670 CVE record · VulDB · Updated 2026-10-26T08:15:14.847Z
Advisories
- https://vuldb.com/cve/CVE-2026-116233 CVE record · VulDB · Updated 2026-10-26T08:15:14.847Z
- https://vuldb.com/submit/1005081 CVE record · VulDB · Updated 2026-10-26T08:15:14.847Z
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-109657 EUVD · EUVD-2026-109657
Technical & other
- https://vuldb.com/vuln/426282 CVE record · VulDB · Updated 2026-10-26T08:15:14.847Z
- https://vuldb.com/vuln/426282/cti CVE record · VulDB · Updated 2026-10-26T08:15:14.847Z