Buffer overflow in Zyxel Dx5401-b0 Firmware
CVE-2023-28769
The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause…
Vulnerability class: Buffer Overflow
EPSS: 0.722 (98.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Zyxel Dx5401-b0 Firmware — versions < V5.17(ABYO.1)C0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2023-28769?
- CVE-2023-28769 is a critical-severity vulnerability in Zyxel Dx5401-b0 Firmware, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-04-27.
- How severe is CVE-2023-28769?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-28769 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.