CVE-2026-45160

Published: Giu 10, 2026 Last Modified: Giu 10, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,5
Source: [email protected]
Attack Vector: adjacent_network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.7, 5.3.5, 5.4.4, 5.5.4, and 6.0.1, an out-of-bounds read flaw exists in the DHCP server option parser (parse_options() in components/lwip/apps/dhcpserver/dhcpserver.c) shipped with ESP-IDF's lwIP component. The parser walks the BOOTP/DHCP options field without validating that each option's length byte and declared payload length stay within the received packet buffer. A crafted DHCP request can cause the parser to read past the end of the options buffer into adjacent heap memory. The issue affects the DHCP server used by ESP-IDF's SoftAP and any configuration where the device runs as a DHCP server on a local network. This issue has been patched in versions 5.2.8, 5.3.6, 5.4.5, 5.5.5, and 6.0.2.

125

Out-of-bounds Read

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: Memory-Unsafe, C, C++
Technologies: ICS/OT
View CWE Details
https://github.com/espressif/esp-idf/commit/2bf4dd12002dbae…
https://github.com/espressif/esp-idf/commit/2bf4dd12002dbae60a4b21abff010ecb2b8…
https://github.com/espressif/esp-idf/commit/2da2db43fd7e0bc…
https://github.com/espressif/esp-idf/commit/2da2db43fd7e0bcff9e7b95f54f388296bb…
https://github.com/espressif/esp-idf/commit/8b4b5d530181519…
https://github.com/espressif/esp-idf/commit/8b4b5d5301815198d177974ffc24848f477…
https://github.com/espressif/esp-idf/commit/9f713dbc94982d9…
https://github.com/espressif/esp-idf/commit/9f713dbc94982d917f2d12964b233cd9efa…
https://github.com/espressif/esp-idf/commit/d51b1076092487e…
https://github.com/espressif/esp-idf/commit/d51b1076092487e533eadf8b48c9c8579d3…
https://github.com/espressif/esp-idf/commit/fba5f995436a3e3…
https://github.com/espressif/esp-idf/commit/fba5f995436a3e3139f768b6d8f1a74d5ce…
https://github.com/espressif/esp-idf/security/advisories/GH…
https://github.com/espressif/esp-idf/security/advisories/GHSA-g764-gwc3-75m5