CVE-2025-62774

LOW

Published Oct 22, 2025 Modified Apr 15, 2026 CWE-331

Description

On Mercku M6a devices through 2.1.0, the authentication system uses predictable session tokens based on timestamps.

Is your site exposed to CVE-2025-62774?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

3.1

LOW

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-331 CWE-331

References

Other References

https://blog.nullvoid.me/posts/mercku-exploits/ https://seclists.org/fulldisclosure/2025/Oct/10

Frequently Asked Questions

What is CVE-2025-62774? +

On Mercku M6a devices through 2.1.0, the authentication system uses predictable session tokens based on timestamps. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2025-62774? +

CVE-2025-62774 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2025-62774? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-11403

A vulnerability in Sonatype Nexus Repository Manager's format-specific API key generation may allow a remote attacker to gain unauthorized access …

CVE-2026-4930

SYMCRYPTO is the SiXG301's host side hardware engine accessed by PSA crypto library that accelerates symmetric cryptographic operations (AES encryption/decryption …

CVE-2025-14972

* Countermeasures for DPA within SYMCRYPTO engine on SixG301xxx devices are not sufficiently random and will eventually repeat. * KSU …

CVE-2025-54885

Thinbus Javascript Secure Remote Password is a browser SRP6a implementation for zero-knowledge password authentication. In versions 2.0.0 and below, a …

CVE-2025-50122

A CWE-331: Insufficient Entropy vulnerability exists that could cause root password discovery when the password generation algorithm is reverse engineered …

CVE-2026-4827

CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses …