How severe is CVE-2026-22543?

CVE-2026-22543 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2026-22543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-22543?

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

Does CVE-2026-22543 have an EU (EUVD) identifier?

Yes. CVE-2026-22543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1415.

When was CVE-2026-22543 published?

CVE-2026-22543 was published on 2026-01-07 and last updated on 2026-06-17.

CVE-2026-22543

CVE-2026-22543 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. 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-261.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1415
Weakness: CWE-261
Published: 2026-01-07
Last modified: 2026-06-17

Description

The credentials required to access the device's web server are sent in base64 within the HTTP headers. Since base64 is not considered a strong cipher, an attacker could intercept the web request handling the login and obtain the credentials

Frequently asked questions

What is CVE-2026-22543?: The credentials required to access the device's web server are sent in base64 within the HTTP headers. Since base64 is not considered a strong cipher, an attacker could intercept the web request handling the login and obtain the credentials
How severe is CVE-2026-22543?: CVE-2026-22543 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2026-22543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-22543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22543 have an EU (EUVD) identifier?: Yes. CVE-2026-22543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1415.
When was CVE-2026-22543 published?: CVE-2026-22543 was published on 2026-01-07 and last updated on 2026-06-17.

References

https://cds.thalesgroup.com/en

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