CVE-2026-116231
CRITICAL 9.4A 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.
Severe if exploited (CVSS 9.4), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.4%chance of exploitation in 30 days · 38th 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 a low-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:L/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:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P - CRITICAL 9.9 v3.1 · CNA Primary
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 - CRITICAL 9.9 v3.0 · CNA Primary
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R - CRITICAL 9 v2.0 · CNA Primary
AV:N/AC:L/Au:S/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-A-Serial-Banner-Newline-Lets-ser2net-Overwrite-Existing-Files-3ea797159f158019b687eadcc7d6a85b CVE record · VulDB · Updated 2026-10-26T07:45:15.427Z
Advisories
- https://vuldb.com/cve/CVE-2026-116231 CVE record · VulDB · Updated 2026-10-26T07:45:15.427Z
- https://vuldb.com/submit/1005078 CVE record · VulDB · Updated 2026-10-26T07:45:15.427Z
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-109654 EUVD · EUVD-2026-109654
Technical & other
- https://vuldb.com/vuln/426280 CVE record · VulDB · Updated 2026-10-26T07:45:15.427Z
- https://vuldb.com/vuln/426280/cti CVE record · VulDB · Updated 2026-10-26T07:45:15.427Z