Vulnerability Details CVE-2019-15801
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 51.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2019-15801
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cpe:2.3:h:zyxel:gs1900-10hp:-
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cpe:2.3:h:zyxel:gs1900-16:-
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cpe:2.3:h:zyxel:gs1900-24:-
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cpe:2.3:h:zyxel:gs1900-24e:-
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cpe:2.3:h:zyxel:gs1900-24hp:-
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cpe:2.3:h:zyxel:gs1900-48:-
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cpe:2.3:h:zyxel:gs1900-48hp:-
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cpe:2.3:h:zyxel:gs1900-8:-
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cpe:2.3:h:zyxel:gs1900-8hp:-
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cpe:2.3:o:zyxel:gs1900-10hp_firmware:-
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cpe:2.3:o:zyxel:gs1900-10hp_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-16_firmware:-
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cpe:2.3:o:zyxel:gs1900-16_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-24_firmware:-
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cpe:2.3:o:zyxel:gs1900-24_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-24e_firmware:-
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cpe:2.3:o:zyxel:gs1900-24e_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-24hp_firmware:-
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cpe:2.3:o:zyxel:gs1900-24hp_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-48_firmware:-
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cpe:2.3:o:zyxel:gs1900-48_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-48hp_firmware:-
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cpe:2.3:o:zyxel:gs1900-48hp_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-8_firmware:-
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cpe:2.3:o:zyxel:gs1900-8_firmware:2.40
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cpe:2.3:o:zyxel:gs1900-8hp_firmware:-
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cpe:2.3:o:zyxel:gs1900-8hp_firmware:2.40