Exploit for CVE-2026-8836

CVE-2026-8836 — lwIP SNMPv3 Stack Overflow PoC Proof of conce...

CVE-2026-8836

A flaw was found in lwIP. A remote attacker can exploit a stack-based buffer overflow vulnerability in the snmpparseinboundframe function within the SNMPv3 User-based Security Model USM Handler. By manipulating specific authentication parameters, an attacker could potentially achieve arbitrary co...

CVE-2026-8836 lwIP snmpv3 USM snmp_msg.c snmp_parse_inbound_frame stack-based overflow

A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmpparseinboundframe of the file src/apps/snmp/snmpmsg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParameters results in stack-based buffer overflow. The attack may be...

CVE-2026-8836

Summary: lwIP up to 2.2.1 contains a vulnerability in the SNMPv3 USM handler. The issue is in the function snmp_parse_inbound_frame (file: src/apps/snmp/snmp_msg.c) where manipulating msgAuthenticationParameters can cause a stack-based buffer overflow. The attack is potentially remote. A patch is...

Astra Linux – Vulnerability in net-snmp

Net-SNMP provides various tools related to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials could use a malformed OID in a SET request to NET-SNMP-AGENT-MIB::nsLogTable” to cause a NULL pointer dereference. Version 5.9.2 includes a patch to addres...

CVE-2026-20048

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper processing when...

CVE-2025-55087

In NextX Duo's snmp addon versions before 6.4.4, a part of the Eclipse Foundation ThreadX, an attacker could cause an out-of-bound read by a crafted SNMPv3 security parameters...

Siemens SCALANCE Series 访问控制错误漏洞

Siemens SCALANCE Series is a family of industrial communication devices from Siemens, Germany. An access control error vulnerability exists in the Siemens SCALANCE Series that arises from an affected device with the user role being affected by incorrect authorization in the SNMPv3 view...

DEBIAN-CVE-2022-24809

net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-only credentials can use a malformed OID in a GET-NEXT to the nsVacmAccessTable to cause a NULL pointer dereference. Version 5.9.2 contains a patch. Users should use strong...

DEBIAN-CVE-2022-24806

net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials can exploit an Improper Input Validation vulnerability when SETing malformed OIDs in master agent and subagent simultaneously. Version 5.9.2 contains a...

DEBIAN-CVE-2022-24805

net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a buffer overflow in the handling of the INDEX of NET-SNMP-VACM-MIB can cause an out-of-bounds memory access. A user with read-only credentials can exploit the issue. Version 5.9.2 contains...

CVE-2023-31925

Brocade SANnav before v2.3.0 and v2.2.2a stores SNMPv3 Authentication passwords in plaintext. A privileged user could retrieve these credentials with knowledge and access to these log files. SNMP credentials could be seen in SANnav SupportSave if the capture is performed after an SNMP configurati...

Brocade SANnav 安全漏洞

Broadcom Brocade SANnav is a suite of SAN management platforms from Broadcom USA. A security vulnerability exists in Brocade SANnav versions prior to v2.3.0 and v2.2.2a, which stems from the fact that Brocade SANnav stores SNMPv3 authentication passwords in cleartext, and a privileged user can...

CVE-2023-32491

Dell PowerScale OneFS 9.5.0.x, contains an insertion of sensitive information into log file vulnerability in SNMPv3. A low privileges user could potentially exploit this vulnerability, leading to information disclosure...

SUSE CVE-2022-24805

net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a buffer overflow in the handling of the INDEX of NET-SNMP-VACM-MIB can cause an out-of-bounds memory access. A user with read-only credentials can exploit the issue. Version 5.9.2 contains...

SUSE CVE-2022-24806

net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials can exploit an Improper Input Validation vulnerability when SETing malformed OIDs in master agent and subagent simultaneously. Version 5.9.2 contains a...

CVE-2022-36308

Airspan AirVelocity 1500 web management UI displays SNMP credentials in plaintext on software versions older than 15.18.00.2511, and stores SNMPv3 credentials unhashed on the filesystem, enabling anyone with web access to use these credentials to manipulate the eNodeB over SNMP. This issue may...

CVE-2021-33903

In LCOS 10.40 to 10.42.0473-RU3 with SNMPv3 enabled on LANCOM devices, changing the password of the root user via the CLI does not change the password of the root user for SNMPv3 access. However, changing the password of the root user via LANconfig does change the password of the root user for...

CVE-2008-4594

Unspecified vulnerability in the SNMPv3 component in Linksys WAP4400N firmware 1.2.14 on the Marvell Semiconductor 88W8361P-BEM1 chipset has unknown impact and attack vectors, probably remote...

net-snmp SNMPv3 authentication bypass (VU#877044)

SNMPv3 HMAC verification in 1 Net-SNMP 5.2.x before 5.2.4.1, 5.3.x before 5.3.2.1, and 5.4.x before 5.4.1.1; 2 UCD-SNMP; 3 eCos; 4 Juniper Session and Resource Control SRC C-series 1.0.0 through 2.0.0; 5 NetApp aka Network Appliance Data ONTAP 7.3RC1 and 7.3RC2; 6 SNMP Research before 16.2; 7...