How severe is CVE-2022-25621?

CVE-2022-25621 has a CVSS 3.x base score of 9.8, 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 high.

Is CVE-2022-25621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25621?

CVE-2022-25621 primarily affects Nec Univerge Wa1020 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-25621?

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-2022-25621 published?

CVE-2022-25621 was published on 2022-03-11 and last updated on 2026-06-17.

CVE-2022-25621

CVE-2022-25621 is a critical-severity vulnerability in Nec Univerge Wa1020 Firmware with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Nec Univerge Wa1020 Firmware
Published: 2022-03-11
Last modified: 2026-06-17

Description

UUNIVERGE WA 1020 Ver8.2.11 and prior, UNIVERGE WA 1510 Ver8.2.11 and prior, UNIVERGE WA 1511 Ver8.2.11 and prior, UNIVERGE WA 1512 Ver8.2.11 and prior, UNIVERGE WA 2020 Ver8.2.11 and prior, UNIVERGE WA 2021 Ver8.2.11 and prior, UNIVERGE WA 2610-AP Ver8.2.11 and prior, UNIVERGE WA 2611-AP Ver8.2.11 and prior, UNIVERGE WA 2611E-AP Ver8.2.11 and prior, UNIVERGE WA WA2612-AP Ver8.2.11 and prior allows a remote attacker to execute arbitrary OS commands.

Frequently asked questions

What is CVE-2022-25621?: UUNIVERGE WA 1020 Ver8.2.11 and prior, UNIVERGE WA 1510 Ver8.2.11 and prior, UNIVERGE WA 1511 Ver8.2.11 and prior, UNIVERGE WA 1512 Ver8.2.11 and prior, UNIVERGE WA 2020 Ver8.2.11 and prior, UNIVERGE WA 2021 Ver8.2.11 and prior, UNIVERGE WA 2610-AP Ver8.2.11 and prior, UNIVERGE WA 2611-AP Ver8.2.11 and prior, UNIVERGE WA 2611E-AP Ver8.2.11 and prior, UNIVERGE WA WA2612-AP Ver8.2.11 and prior allows a remote attacker to execute arbitrary OS commands.
How severe is CVE-2022-25621?: CVE-2022-25621 has a CVSS 3.x base score of 9.8, 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 high.
Is CVE-2022-25621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25621?: CVE-2022-25621 primarily affects Nec Univerge Wa1020 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-25621?: 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-2022-25621 published?: CVE-2022-25621 was published on 2022-03-11 and last updated on 2026-06-17.

References

https://jpn.nec.com/security-info/secinfo/nv22-004_en.html

Affected products (10)

cpe:2.3:o:nec:univerge_wa1020_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa1510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa1511_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa1512_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa2020_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa2021_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa2610-ap_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa2611-ap_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa2611e-ap_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:univerge_wa2612-ap_firmware:*:*:*:*:*:*:*:*

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