CVE-2022-24946

7.5 HIGH

Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior, Mitsubishi ...

Published: 2022-06-15 · Last updated: 2026-06-02

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-413, CWE-667

Affected products

Vendor	Product
mitsubishielectric	l02cpu-p_firmware, l02cpu_firmware, l02scpu-p_firmware

Description

Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions, Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions, Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions, Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number "24051" and prior and Mitsubishi Electric MELIPC Series MI5122-VW firmware versions "05" and prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition in Ethernet communications by sending specially crafted packets. A system reset of the products is required for recovery.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2022-24946
[Other]https://jvn.jp/vu/JVNVU90895626/index.html
[Other]https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01
[Vendor advisory]https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf
[Other]https://jvn.jp/vu/JVNVU90895626/index.html
[Other]https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01
[Vendor advisory]https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf

Related CVEs

Same CWE

CVE-2026-46262 — In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put() This... (5.5 MEDIUM)
CVE-2026-46256 — In the Linux kernel, the following vulnerability has been resolved: NFS/localio: prevent direct reclaim recursion into NFS via nfs_write... (5.5 MEDIUM)
CVE-2026-46252 — In the Linux kernel, the following vulnerability has been resolved: regulator: core: fix locking in regulator_resolve_supply() error pat... (5.5 MEDIUM)
CVE-2026-46165 — In the Linux kernel, the following vulnerability has been resolved: openvswitch: vport: fix self-deadlock on release of tunnel ports vp... (5.5 MEDIUM)
CVE-2026-46156 — In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix potential ADE in loongson_gpu_fixup_dma_hang() The s... (5.5 MEDIUM)