How severe is CVE-2026-11493?

CVE-2026-11493 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-11493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11493?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-11493 have an EU (EUVD) identifier?

Yes. CVE-2026-11493 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35024.

When was CVE-2026-11493 published?

CVE-2026-11493 was published on 2026-06-08 and last updated on 2026-06-17.

CVE-2026-11493

CVE-2026-11493 is a medium-severity vulnerability with a CVSS 3.x base score of 5.0. 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-521.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 4.3
CVSS v4: 1.3
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35024
Weakness: CWE-521
Published: 2026-06-08
Last modified: 2026-06-17

Description

A weakness has been identified in Tenda AC15 15.03.05.19. The impacted element is an unknown function of the file /etc_ro/smb.conf of the component Samba. Executing a manipulation can lead to weak password requirements. The attack is only possible within the local network. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks.

Frequently asked questions

What is CVE-2026-11493?: A weakness has been identified in Tenda AC15 15.03.05.19. The impacted element is an unknown function of the file /etc_ro/smb.conf of the component Samba. Executing a manipulation can lead to weak password requirements. The attack is only possible within the local network. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks.
How severe is CVE-2026-11493?: CVE-2026-11493 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-11493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11493 have an EU (EUVD) identifier?: Yes. CVE-2026-11493 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35024.
When was CVE-2026-11493 published?: CVE-2026-11493 was published on 2026-06-08 and last updated on 2026-06-17.

References

Other CWE-521 (Weak Password Requirements) vulnerabilities

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CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

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