H8951 4G Esp Firmware
CVE-2023-49262
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.
AnalysisAI
The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session. Affected products include: Hongdian H8951-4G-Esp Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.
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Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Integer Overflow
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External POC / Exploit Code
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