CVE-2026-8836
9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | lwIP | 2.1.0 | affected |
| n/a | lwIP | 2.1.1 | affected |
| n/a | lwIP | 2.1.2 | affected |
| n/a | lwIP | 2.1.3 | affected |
| n/a | lwIP | 2.2.0 | affected |
| n/a | lwIP | 2.2.1 | affected |
Weaknesses
- CWE-121: Stack-based Buffer Overflow
- CWE-119: Memory Corruption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
- https://vuldb.com/vuln/364474
- https://vuldb.com/vuln/364474/cti
- https://vuldb.com/submit/829798
- https://savannah.nongnu.org/bugs/?68194
- https://cgit.git.savannah.gnu.org/cgit/lwip.git/commit/?id=0c957ec03054eb6c8205e9c9d1d05d90ada3898c
- https://github.com/lwip-tcpip/lwip/commit/0c957ec03054eb6c8205e9c9d1d05d90ada3898c
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