CVE-2021-32998

HIGH

FANUC R-30iA and R-30iB Firmware - Remote Code Execution via Out-of-bounds Write

Title source: llm
STIX 2.1

Description

The FANUC R-30iA and R-30iB series controllers are vulnerable to an out-of-bounds write, which may allow an attacker to remotely execute arbitrary code. INIT START/restore from backup required.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://www.cisa.gov/uscert/ics/advisories/icsa-21-243-02

Scores

CVSS v3 7.4
EPSS 0.0118
EPSS Percentile 64.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (50)
fanuc/r-30ia_firmware 7.20
fanuc/r-30ia_firmware 7.30
fanuc/r-30ia_firmware 7.40
fanuc/r-30ia_firmware 7.43
fanuc/r-30ia_firmware 7.50
fanuc/r-30ia_firmware 7.63
fanuc/r-30ia_firmware 7.70
fanuc/r-30ia_mate_firmware 7.20
fanuc/r-30ia_mate_firmware 7.30
fanuc/r-30ia_mate_firmware 7.40
... and 40 more
Published Jan 10, 2022
Tracked Since Feb 18, 2026