What’s Vulnerable › Vulnerabilities

CVE-2023-49259: Bruteforcing authentication cookie for a given user

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-12 · updated 2026-06-17
• Weakness: CWE-341

Description

The authentication cookies are generated using an algorithm based on the username, hardcoded secret and the up-time, and can be guessed in a reasonable time.

Affected products

• Hongdian H8951-4G-ESP: before 2310271149 — fixed in 2310271149

How to fix

Upgrade to a fixed version: Hongdian H8951-4G-ESP 2310271149. Check the vendor advisory for mitigations.

References

• https://cert.pl/en/posts/2024/01/CVE-2023-49253/
• https://cert.pl/posts/2024/01/CVE-2023-49253/
• https://cert.pl/en/posts/2024/01/CVE-2023-49253/
• https://cert.pl/posts/2024/01/CVE-2023-49253/

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