PT-2026-67871 · Open62541 · Open62541
CVE-2026-67858
·
Published
2026-08-04
·
Updated
2026-08-05
CVSS v3.1
7.5
High
| Vector | AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N |
Name of the Vulnerable Software and Affected Versions
open62541 version 1.5.5
Description
A buffer overflow occurs in the Local Discovery Server (LDS) when it is configured with multicast discovery enabled via the MDNSD backend. An unauthenticated remote attacker can trigger a denial of service by sending a
RegisterServer or RegisterServer2 request that includes a large number of unique discoveryUrls.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Open62541