CVE-2022-34747 — Use of Externally-Controlled Format String in Zyxel Nas326 Firmware

CWE-134 — Use of Externally-Controlled Format String3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
2.8%
top 13.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zyxel Nas326 FirmwareZyxel Nas326 Firmware
Timeline
PublishedSep 6
Latest updateSep 7

Description

A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDzyxel/nas326_firmware< 5.21\(aazf.12\)c0
▶CVEListV5zyxel/zyxel_nas326_firmware< V5.21(AAZF.12)C0

Patches

Patch: www.zyxel.com ↗Patch: www.zyxel.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-p6gf-558m-r8q3: A format string vulnerability in Zyxel NAS326 firmware versions prior to V5↗2022-09-07
▶
CVEList
CVE-2022-34747: A format string vulnerability in Zyxel NAS326 firmware versions prior to V5↗2022-09-06
▶
CVE-2022-34747 — Zyxel Nas326 Firmware vulnerability | cvebase