What is CVE-2023-28770?

CVE-2023-28770 is a high-severity vulnerability in Zyxel Dx5401-b0 Firmware, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-04-27.

How severe is CVE-2023-28770?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-28770 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Zyxel Dx5401-b0 Firmware

CVE-2023-28770

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 retr…

Vulnerability class: Information Disclosure

EPSS: 0.849 (99.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Zyxel Dx5401-b0 Firmware — versions < V5.17(ABYO.1)C0

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

rapid7/metasploit-framework

References

Frequently asked questions

What is CVE-2023-28770?: CVE-2023-28770 is a high-severity vulnerability in Zyxel Dx5401-b0 Firmware, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-04-27.
How severe is CVE-2023-28770?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-28770 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.