A vulnerability was found in lwIP up to 2.2.1. (CVE-2026-8836)
A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmp_parse_inbound_frame of the file src/apps/snmp/snmp_msg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParameters results in stack-based buffer overflow. The attack may be initiated remotely. The patch is named 0c957ec03054eb6c8205e9c9d1d05d90ada3898c. It is suggested to install a patch to address this issue.
A vulnerability was found in lwIP up to 2.2.1. (CVE-2026-8836)
Description
A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmp_parse_inbound_frame of the file src/apps/snmp/snmp_msg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParameters results in stack-based buffer overflow. The attack may be initiated remotely. The patch is named 0c957ec03054eb6c8205e9c9d1d05d90ada3898c. It is suggested to install a patch to address this issue.
CVSS v3.1
Score 9.8critical
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3w8m-3w76-f6mh
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-8836"]
- Ecosystems
- []
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6a89a6c8acd9273b49150b0e
Added to database: 08/22/2026, 13:40:24 UTC
Last updated: 08/22/2026, 13:40:24 UTC
Views: 1
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