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5.0

Wireshark may mishandle WEP keys, risking data exposure

CVE-2006-5595 · published 20 years ago
Summary

Wireshark version 0.99.3 has a problem when it reads WEP encryption keys. An attacker could potentially trick the program into revealing or misusing those keys, which could compromise wireless network security. Update Wireshark to a newer version or apply any available patches to resolve the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
wireshark wireshark 0.7.9
0.8.16
0.9.10
0.10
0.10.4
0.10.13
0.99
0.99.1
0.99.2
0.99.3
cpe:2.3:a:wireshark:wireshark:0.7.9:*:*:*:*:*:*:*
Original advisory text
Unspecified vulnerability in the AirPcap support in Wireshark (formerly Ethereal) 0.99.3 has unspecified attack vectors related to WEP key parsing.
Unspecified vulnerability in the AirPcap support in Wireshark (formerly Ethereal) 0.99.3 has unspecified attack vectors related to WEP key parsing.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.0 Medium
Exploitation
1% chance of attack within 30 days
Timeline
Published28 Oct 2006
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2006-5595 · NVD
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