CVE-2026-36176
7.1 HIGHGNCC GP5 v7.1.76 was discovered to store pre-signed Backblaze B2 upload URLs (PUT requests) in plaintext to the serial console
Published: 2026-06-04 · Last updated: 2026-06-04
Severity and scoring
- CVSS
- 7.1 HIGH
- Vector
- CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- CWE
- CWE-312
Description
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-36176
- [Other]http://gncc.com
- [Other]http://gp5.com
- [Other]https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md
- [Other]https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md
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