Is this vulnerability remotely exploitable beyond the local network?

It can be, depending on how the Guardian Gryphon device is deployed. If the TLS-secured interface is reachable from untrusted networks (for example, from the internet or a wide-area network segment), a remote attacker with the ability to establish or intercept TLS connections could potentially exploit the weakness.

What level of access does an attacker need to exploit this issue?

The attacker must be able to interact with the TLS endpoint that relies on the flawed certificate validation, such as by acting as a malicious peer or by performing a man-in-the-middle attack. Physical access is not inherently required if the vulnerable interface is network-accessible.

What is the safest general fix pattern for this kind of problem?

The most robust fix is to enforce strict and correct TLS certificate validation, including full chain verification against trusted CAs, hostname and identity matching, and rejection of invalid or unexpected certificates, combined with decoupling network-facing components from root-level command execution.

Severity:

HIGH RISK

(7.5)

Improper TLS Certificate Validation (CWE-295) in Guardian Gryphon Command Interface

CVE-2025-65753

Published:

Feb 17, 2026

Status:

Awaiting Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Improper Certificate Validation

CWE:

CWE-295

Impact:

Remote Code Execution as root

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Improper Certificate Validation

CWE:

CWE-295

Impact:

Remote Code Execution as root

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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Improper TLS Certificate Validation (CWE-295) in Guardian Gryphon Command Interface

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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