How severe is CVE-2025-22938?

CVE-2025-22938 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-2025-22938 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-22938?

CVE-2025-22938 affects Adtran 411 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-22938?

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.

Does CVE-2025-22938 have an EU (EUVD) identifier?

Yes. CVE-2025-22938 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8766.

When was CVE-2025-22938 published?

CVE-2025-22938 was published on 2025-03-31 and last updated on 2026-06-17.

CVE-2025-22938

CVE-2025-22938 is a critical-severity vulnerability in Adtran 411 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-1393.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8766
Weakness: CWE-1393
Affected product: Adtran 411 Firmware
Published: 2025-03-31
Last modified: 2026-06-17

Description

Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords.

Frequently asked questions

What is CVE-2025-22938?: Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords.
How severe is CVE-2025-22938?: CVE-2025-22938 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-2025-22938 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-22938?: CVE-2025-22938 affects Adtran 411 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-22938?: 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.
Does CVE-2025-22938 have an EU (EUVD) identifier?: Yes. CVE-2025-22938 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8766.
When was CVE-2025-22938 published?: CVE-2025-22938 was published on 2025-03-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:adtran:411_firmware:l80.00.0011.m2:*:*:*:*:*:*:*

More vulnerabilities in Adtran 411 Firmware

CVE-2025-22941 — Critical (CVSS 9.8): A command injection vulnerability in the web interface of Adtran 411 ONT L80.00.0011.M2 allows attackers to escalate…
CVE-2025-22939 — Critical (CVSS 9.8): A command injection vulnerability in the telnet service of Adtran 411 ONT L80.00.0011.M2 allows attackers to escalate…
CVE-2025-22937 — Critical (CVSS 9.8): An issue in Adtran 411 ONT vL80.00.0011.M2 allows attackers to escalate privileges via unspecified vectors.
CVE-2025-22940 — Critical (CVSS 9.1): Incorrect access control in Adtran 411 ONT L80.00.0011.M2 allows unauthorized attackers to arbitrarily set the admin…

All CVEs affecting Adtran 411 Firmware →

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