CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2023-4257
Critical (9.8) in zephyrproject zephyr. EPSS 1.1% chance of exploitation in the next 30 days.
Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.
Severity
- EPSS
- 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-131, CWE-120
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zephyrproject:zephyr
References
- http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
- http://seclists.org/fulldisclosure/2023/Nov/1
- http://www.openwall.com/lists/oss-security/2023/11/07/1
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j
- http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html