How severe is CVE-2024-42061?

CVE-2024-42061 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-2024-42061 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42061?

CVE-2024-42061 affects Zyxel Zld. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42061?

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

Does CVE-2024-42061 have an EU (EUVD) identifier?

Yes. CVE-2024-42061 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39429.

When was CVE-2024-42061 published?

CVE-2024-42061 was published on 2024-09-03 and last updated on 2026-06-17.

CVE-2024-42061

CVE-2024-42061 is a medium-severity vulnerability in Zyxel Zld 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% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39429
Weakness: CWE-79
Affected product: Zyxel Zld
Published: 2024-09-03
Last modified: 2026-06-17

Description

A reflected cross-site scripting (XSS) vulnerability in the CGI program "dynamic_script.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. The attacker could obtain browser-based information if the malicious script is executed on the victim’s browser.

Frequently asked questions

What is CVE-2024-42061?: A reflected cross-site scripting (XSS) vulnerability in the CGI program "dynamic_script.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. The attacker could obtain browser-based information if the malicious script is executed on the victim’s browser.
How severe is CVE-2024-42061?: CVE-2024-42061 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-2024-42061 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42061?: CVE-2024-42061 affects Zyxel Zld. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42061?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-42061 have an EU (EUVD) identifier?: Yes. CVE-2024-42061 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39429.
When was CVE-2024-42061 published?: CVE-2024-42061 was published on 2024-09-03 and last updated on 2026-06-17.

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024

Affected products (1)

cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*

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