CVE-2023-28770 Information disclosure in DX5401-B0 firmware
Remote unauthenticated attackers can read system files and retrieve supervisor passwords from Zyxel DX5401-B0 devices via exposed CGI and binary interfaces.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-28770?
CVE-2023-28770 is a high-severity vulnerability in Zyxel DX5401-B0 firmware, published on 27 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to read the system files and to retrieve the password of the supervisor from the encrypted file.
Which versions are affected by CVE-2023-28770?
It affects 1 product.
Products include Zyxel Dx5401-B0 Firmware.
How do I fix CVE-2023-28770?
No fix has been published for CVE-2023-28770 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-28770 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28770 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in Zyxel DX5401-B0 firmware
Sources
Also known as GHSA-jwcx-m84w-h98g.