How severe is CVE-2026-42950?

CVE-2026-42950 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-42950 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42950?

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

Does CVE-2026-42950 have an EU (EUVD) identifier?

Yes. CVE-2026-42950 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29943.

When was CVE-2026-42950 published?

CVE-2026-42950 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-42950

CVE-2026-42950 is a medium-severity vulnerability 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)
CVSS v4: 5.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29943
Weakness: CWE-754
Published: 2026-05-13
Last modified: 2026-06-17

Description

ELECOM wireless LAN access point devices do not check if language parameter has an appropriate value. If a user views a malicious page while logged in, the admin page on the user's web browser may become broken.

Frequently asked questions

What is CVE-2026-42950?: ELECOM wireless LAN access point devices do not check if language parameter has an appropriate value. If a user views a malicious page while logged in, the admin page on the user's web browser may become broken.
How severe is CVE-2026-42950?: CVE-2026-42950 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-42950 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42950?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42950 have an EU (EUVD) identifier?: Yes. CVE-2026-42950 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29943.
When was CVE-2026-42950 published?: CVE-2026-42950 was published on 2026-05-13 and last updated on 2026-06-17.

References

Other CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities

CVE-2026-24054 — Critical (CVSS 10.0): Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)…
CVE-2021-0211 — Critical (CVSS 10.0): An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing…
CVE-2026-8091 — Critical (CVSS 9.8): Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150,…
CVE-2024-52316 — Critical (CVSS 9.8): Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta…
CVE-2024-7826 — Critical (CVSS 9.8): Improper Check for Unusual or Exceptional Conditions vulnerability in Webroot SecureAnywhere - Web Shield on Windows,…
CVE-2023-37303 — Critical (CVSS 9.8): An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to…

Browse all CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities →