How severe is CVE-2022-45441?

CVE-2022-45441 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-45441 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45441?

CVE-2022-45441 affects Zyxel Nbg-418n Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45441?

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

When was CVE-2022-45441 published?

CVE-2022-45441 was published on 2023-02-07 and last updated on 2026-06-17.

CVE-2022-45441

CVE-2022-45441 is a medium-severity vulnerability in Zyxel Nbg-418n Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Zyxel Nbg-418n Firmware
Published: 2023-02-07
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.13)C0, which could allow an attacker to store malicious scripts in the Logs page of the GUI on a vulnerable device. A successful XSS attack could force an authenticated user to execute the stored malicious scripts and then result in a denial-of-service (DoS) condition when the user visits the Logs page of the GUI on the device.

Frequently asked questions

What is CVE-2022-45441?: A cross-site scripting (XSS) vulnerability in Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.13)C0, which could allow an attacker to store malicious scripts in the Logs page of the GUI on a vulnerable device. A successful XSS attack could force an authenticated user to execute the stored malicious scripts and then result in a denial-of-service (DoS) condition when the user visits the Logs page of the GUI on the device.
How severe is CVE-2022-45441?: CVE-2022-45441 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-45441 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45441?: CVE-2022-45441 affects Zyxel Nbg-418n Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45441?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-45441 published?: CVE-2022-45441 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-xss-vulnerability-in-nbg-418n-v2-home-router

Affected products (1)

cpe:2.3:o:zyxel:nbg-418n_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Zyxel Nbg-418n Firmware

CVE-2019-6710 — High (CVSS 8.8): Zyxel NBG-418N v2 v1.00(AAXM.4)C0 devices allow login.cgi CSRF.
CVE-2015-7283 — High (CVSS 8.1): The web administration interface on ZyXEL NBG-418N devices with firmware 1.00(AADZ.3)C0 has a default password of 1234…
CVE-2015-7284 — High (CVSS 8.0): Cross-site request forgery (CSRF) vulnerability on ZyXEL NBG-418N devices with firmware 1.00(AADZ.3)C0 allows remote…
CVE-2023-22922 — High (CVSS 7.5): A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a…
CVE-2023-22921 — High (CVSS 7.5): A cross-site scripting (XSS) vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could…
CVE-2023-22923 — Medium (CVSS 6.5): A format string vulnerability in a binary of the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could…

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