Is CVE-2008-4540 being actively exploited?

CVE-2008-4540 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-4540?

CVE-2008-4540 has a CVSS 2.0 base score of 2.1 (LOW).

CVE-2008-4540

LOW · CVSS 2.1EPSS 2.0%EU EUVD

Windows Mobile 6 on the HTC Hermes device makes WLAN passwords available to an auto-completion mechanism for the password input field, which allows physically proximate attackers to bypass password authentication and obtain WLAN access.

Key facts

CVSS score: 2.1 (v2.0)
Severity: LOW
CVSS vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-255
EPSS score: 2.0% (81th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-4521)
Published: October 13, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-4521 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

htc / hermes
microsoft / windows mobile

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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