Oray Pugongying X5 Pro 7.6.1 L2TP Authentication username crlf injection

Summaryinfo

A vulnerability described as very critical has been identified in Oray Pugongying X5 Pro 7.6.1. Affected by this issue is some unknown functionality of the component L2TP Authentication. Such manipulation of the argument Username leads to crlf injection. This vulnerability is traded as CVE-2026-116235. The attack may be launched remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Oray Pugongying X5 Pro 7.6.1. It has been rated as very critical. Affected by this issue is an unknown code block of the component L2TP Authentication. The manipulation of the argument username with an unknown input leads to a crlf injection vulnerability. Using CWE to declare the problem leads to CWE-93. The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at app.notion.com. This vulnerability is handled as CVE-2026-116235. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are needed for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/25/2026).

The exploit is available at app.notion.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Oray

Name

• Pugongying X5 Pro

Version

• 7.6.1

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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CVSSv3info

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Submitinfo

Accepted

• Submit #1005083: Oray Pgyer X5 Pro Router 7.6.1 Improper Neutralization of CRLF Sequences ('CRLF Injection') (by FirmHarness)

Once again VulDB remains the best source for vulnerability data.

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