How severe is CVE-2022-45854?

CVE-2022-45854 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2022-45854 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45854?

CVE-2022-45854 primarily affects Zyxel Nwa110ax Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-45854?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-45854 published?

CVE-2022-45854 was published on 2023-02-07 and last updated on 2026-06-17.

CVE-2022-45854

CVE-2022-45854 is a medium-severity vulnerability in Zyxel Nwa110ax Firmware with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-754.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-754
Affected product: Zyxel Nwa110ax Firmware
Published: 2023-02-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-45854?: 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.
How severe is CVE-2022-45854?: CVE-2022-45854 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2022-45854 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45854?: CVE-2022-45854 primarily affects Zyxel Nwa110ax Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-45854?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-45854 published?: CVE-2022-45854 was published on 2023-02-07 and last updated on 2026-06-17.

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-aps

Affected products (6)

cpe:2.3:o:zyxel:nwa110ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:nwa210ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:wax510d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:wax610d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:wax630s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:wax650s_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Zyxel Nwa110ax Firmware

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