How severe is CVE-2022-25158?

CVE-2022-25158 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-25158 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25158?

CVE-2022-25158 primarily affects Mitsubishielectric Fx5uc Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-25158?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-25158 published?

CVE-2022-25158 was published on 2022-04-01 and last updated on 2026-06-17.

CVE-2022-25158

CVE-2022-25158 is a critical-severity vulnerability in Mitsubishielectric Fx5uc Firmware with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Mitsubishielectric Fx5uc Firmware
Published: 2022-04-01
Last modified: 2026-06-17

Description

Cleartext Storage of Sensitive Information vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU all versions, Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions, Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU all versions, Mitsubishi Electric MELSEC iQ-R series R04/08/16/32/120(EN)CPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120SFCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PSFCPU all versions, Mitsubishi Electric MELSEC iQ-R series RJ71C24(-R2/R4) all versions, Mitsubishi Electric MELSEC iQ-R series RJ71EN71 all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GF11-T2 all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GP21(S)-SX all versions, Mitsubishi Electric MELSEC iQ-R series RJ72GF15-T2 all versions, Mitsubishi Electric MELSEC Q series Q03UDECPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/10/13/20/26/50/100UDEHCPU all versions, Mitsubishi Electric MELSEC Q series Q03/04/06/13/26UDVCPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/13/26UDPVCPU all versions, Mitsubishi Electric MELSEC Q series QJ71C24N(-R2/R4) all versions, Mitsubishi Electric MELSEC Q series QJ71E71-100 all versions, Mitsubishi Electric MELSEC L series L02/06/26CPU(-P) all versions, Mitsubishi Electric MELSEC L series L26CPU-(P)BT all versions, Mitsubishi Electric MELSEC L series LJ71C24(-R2) all versions, Mitsubishi Electric MELSEC L series LJ71E71-100 all versions and Mitsubishi Electric MELSEC L series LJ72GF15-T2 all versions allows a remote attacker to disclose or tamper with a file in which password hash is saved in cleartext.

Frequently asked questions

What is CVE-2022-25158?: Cleartext Storage of Sensitive Information vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU all versions, Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions, Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU all versions, Mitsubishi Electric MELSEC iQ-R series R04/08/16/32/120(EN)CPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120SFCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PSFCPU all versions, Mitsubishi Electric MELSEC iQ-R series RJ71C24(-R2/R4) all versions, Mitsubishi Electric MELSEC iQ-R series RJ71EN71 all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GF11-T2 all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GP21(S)-SX all versions, Mitsubishi Electric MELSEC iQ-R series RJ72GF15-T2 all versions, Mitsubishi Electric MELSEC Q series Q03UDECPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/10/13/20/26/50/100UDEHCPU all versions, Mitsubishi Electric MELSEC Q series Q03/04/06/13/26UDVCPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/13/26UDPVCPU all versions, Mitsubishi Electric MELSEC Q series QJ71C24N(-R2/R4) all versions, Mitsubishi Electric MELSEC Q series QJ71E71-100 all versions, Mitsubishi Electric MELSEC L series L02/06/26CPU(-P) all versions, Mitsubishi Electric MELSEC L series L26CPU-(P)BT all versions, Mitsubishi Electric MELSEC L series LJ71C24(-R2) all versions, Mitsubishi Electric MELSEC L series LJ71E71-100 all versions and Mitsubishi Electric MELSEC L series LJ72GF15-T2 all versions allows a remote attacker to disclose or tamper with a file in which password hash is saved in cleartext.
How severe is CVE-2022-25158?: CVE-2022-25158 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-25158 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25158?: CVE-2022-25158 primarily affects Mitsubishielectric Fx5uc Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-25158?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-25158 published?: CVE-2022-25158 was published on 2022-04-01 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:o:mitsubishielectric:fx5uc_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uc-32mr\/ds-ts_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/d_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/dss_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-24mr\/es_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/es_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/ess_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-40mr\/es_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/es_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/ess_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-60mr\/es_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/es_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/ess_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/dss-ts_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/ds-ts_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mitsubishielectric:fx5uj_firmware:-:*:*:*:*:*:*:*

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