An improper check for unusual conditions in Zyxel NWA110AX firmware verisons prior to 6.50(ABTG.0)C0, which could allow a LAN attacker to c…

published 2023-02-07 3y ago modified 2026-06-17 4mo ago also EUVD-2022-48708

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

An improper check for unusual conditions in Zyxel NWA110AX firmware verisons prior to 6.50(ABTG.0)C0, which could allow a LAN attacker to cause a temporary denial-of-service (DoS) by sending crafted VLAN frames if the MAC address of the vulnerable AP were intercepted by the attacker.

Patch / fix

links 1

zyxel.com/global/en/support/security-advisories/zyxel-security-advis… advisory

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Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Zyxel NWA110AX firmware

Classification

Weakness

CWE-754 Improper Check for Unusual or Exceptional Conditions

References

zyxel.com /global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-aps
patch, vendor-advisory

Sources

CVE List CVE-2022-45854
NVD CVE-2022-45854

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