Unrated severityNVD Advisory· Published Nov 14, 2019· Updated Aug 5, 2024
CVE-2019-15801
CVE-2019-15801
Description
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0.
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Affected products
1Patches
Vulnerability mechanics
References
2- jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.htmlmitrex_refsource_MISC
- www.zyxel.com/support/gs1900-switch-vulnerabilities.shtmlmitrex_refsource_CONFIRM
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