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CVE-2025-62291
Component Overview
Vulnerability Overview
Name
CVE-2025-62291
Source
NVD (
link
)
Debian (
link
)
Description
In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.
CWEs
CWE-191
Published Date
Jan 16, 2026
Updated Date
Jun 17, 2026
Workaround
-
Advisories
Analysis
#
Affected Component
Analysis
strongswan
Patched
Vulnerability Ratings
#
8.1
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
strongswan
buildroot
2025.02.x
5.9.14
Patched
strongswan
buildroot
master
6.0.5
Not Affected
strongswan
openwrt
master
6.0.7-r1
Not Affected
strongswan
openwrt
openwrt-25.12
6.0.3-r1
Not Affected
strongswan
yocto
kirkstone
5.9.13
Not Affected
strongswan
yocto
master
6.0.6
Not Affected
Resolved with patches
#
strongswan (buildroot:2025.02.x)
#
Title
Author
Resolve
1
eap-mschapv2: Fix length check for Failure Request packets on
Tobias Brunner <tobias@strongswan.org>
CVE-2025-62291
strongswan (yocto:scarthgap)
#
Title
Author
Resolve
1
eap-mschapv2: Fix length check for Failure Request packets on
Tobias Brunner <tobias@strongswan.org>
CVE-2025-62291