CVE-2026-8836
9.8 CRITICALA vulnerability was found in lwIP up to 2.2.1
Published: 2026-05-18 · Last updated: 2026-05-18
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-119, CWE-121
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-8836
- [Other]https://cgit.git.savannah.gnu.org/cgit/lwip.git/commit/?id=0c957ec03054eb6c8205e9c9d1d05d90ada3898c
- [Other]https://github.com/lwip-tcpip/lwip/commit/0c957ec03054eb6c8205e9c9d1d05d90ada3898c
- [Other]https://savannah.nongnu.org/bugs/?68194
- [Other]https://vuldb.com/submit/829798
- [Other]https://vuldb.com/vuln/364474
- [Other]https://vuldb.com/vuln/364474/cti
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