CVE-2026-11493
MEDIUMDescription
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 to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploit Intelligence
Low risk: more likely to be exploited than 13% of all known CVEs.
References
Related Vulnerabilities
Other CWE-521 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-17444 | Critical | 9.8 | 69% | - | Fix |
| CVE-2012-2441 | High | 8.5 | 8.6% | - | Fix |
| CVE-2017-3186 | Critical | 9.8 | 6.1% | - | - |
| CVE-2019-18988 | High | 7.0 | 4.7% | KEV | - |
| CVE-2018-1000134 | Critical | 9.8 | 4.7% | - | - |
| CVE-2017-6339 | Medium | 6.5 | 4.1% | - | - |
Common questions
How do I fix CVE-2026-11493?
No published fix for CVE-2026-11493 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-11493 being actively exploited?
Not that we know of. CVE-2026-11493 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.22% is the estimated probability that it will be exploited in the next 30 days. That is higher than 13% of all scored CVEs.
How severe is CVE-2026-11493?
CVE-2026-11493 has a CVSS v3 base score of 5.0, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-23.