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CRLF injection in Oray Pugongying X5 Pro L2TP authentication

Priority HIGH 76CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Oray Pugongying X5 Pro from 7.6.1 is affected by a CRLF injection flaw (CWE-93) in its L2TP Authentication component. Manipulating the Username argument causes CRLF injection. A remote attacker with high privileges can exploit this flaw over the network. A public exploit has been published and may be used.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A flaw has been found in Oray Pugongying X5 Pro 7.6.1. Affected by this vulnerability is an unknown functionality of the component L2TP Authentication. This manipulation of the argument Username causes crlf injection. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00614 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OrayPugongying X5 Pro7.6.1—No fix listedCNA
  • Pugongying X5 Pro VendorOray Affected 7.6.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:oray:pugongying_x5_pro:*:*:*:*:*:*:*:*——Oray
  • cpe:2.3:a:oray:pugongying_x5_pro:*:*:*:*:*:*:*:* Versions — — ·Oray

Remediation

The sources list no fixed version for Oray Pugongying X5 Pro.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-116235
  2. 2026-10-26 CISA SSVC decision points changed
  3. 2026-10-26 Priority changed: MEDIUM → HIGH
  4. 2026-10-27 Alias added: GHSA-7qf3-fxvm-8v87

References

  • TI-2026-83614 Path traversal in Oray Pugongying X5 Pro config restore function CVSS 4.0CRITICAL 9.4
  • TI-2026-83612 Improper authorization in Oray Pugongying X5 Pro API Authorization CVSS 4.0CRITICAL 9.4
  • TI-2026-80285 CRLF injection in Oray Pugongying X5 Pro IPsec policy handler CVSS 4.0CRITICAL 9.4
  • TI-2026-80284 CRLF injection in Oray Pugongying X5 Pro Dnsmasq component CVSS 4.0CRITICAL 9.4
  • TI-2026-80281 CRLF injection in Oray Pugongying X5 Pro SNMP snmp_set function CVSS 4.0CRITICAL 9.4
  • TI-2026-80280 CRLF injection in Oray Pugongying X5 Pro Ser2net CVSS 4.0CRITICAL 9.4
See all 10 →

Sources