CVE-2026-36176

CVSS 7.1 HIGHEPSS 0.1%CWE-312

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.1EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

GNCC GP5 v7.1.76 was discovered to store pre-signed Backblaze B2 upload URLs (PUT requests) in plaintext to the serial console. This allows physically-proximate attackers to extract these active tokens to perform unauthorized operations via monitoring the serial UART interface.

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

Affected products

n/a · n/a

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References

http://gncc.com http://gp5.com https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md