What’s Vulnerable › Vulnerabilities

CVE-2023-49262: Buffer overflow vulnerability in Cookie authentication field

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% 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-190

Description

The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.

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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