Vulnerability · Published Oct 13, 2023 · Assigned by zephyr
CVE-2023-4257Unchecked user input length in the Zephyr WiFi shell module
High 7.6
In plain English
A high-severity buffer overflow in Zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 3.1)7.6High
Exploit odds (30 days)1.1%top 35.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | Zephyr | 0 – through 3.4 |
Weakness: CWE-120, CWE-131 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H