CVE-2025-12899: medium-severity vulnerability in zephyrproject-rtos Zephyr
net: icmp: Out of bound memory read
Published
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.3%
exploitation probability
0.3%top 75% of all CVEs
observed exploitation
nono source reports it
A flaw in Zephyr’s network stack allows an IPv4 packet containing ICMP type 128 to be misclassified as an ICMPv6 Echo Request. This results in an out-of-bounds memory read and creates a potential information-leak vulnerability in the networking subsystem.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected products
zephyrproject-rtos · ZephyrRelated CVEs — zephyrproject-rtos Zephyr
In the same product, most dangerous first.
CVE-2023-3725HIGHPotential buffer overflow vulnerability in the Zephyr CANbus subsystemEPSS 1.3%CVE-2023-4264HIGHPotential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystemEPSS 1.1%CVE-2023-0359MEDIUMipv6: Missing ipv6 nullptr-check in handle_ra_inputEPSS 0.9%CVE-2023-4257HIGHUnchecked user input length in the Zephyr WiFi shell moduleEPSS 0.9%CVE-2023-5753MEDIUMPotential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystemEPSS 0.9%CVE-2023-4260MEDIUMPotential off-by-one buffer overflow vulnerability in the Zephyr FS subsystemEPSS 0.9%