# CVE-2026-11493: Tenda AC15 Samba smb.conf weak password

> Weak password requirements in the Samba configuration of Tenda AC15 routers allow local attackers to bypass authentication controls.

- **Severity:** Low 2.3 (`CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Jun 2026
- **Updated:** 8 Jun 2026
- **Also known as:** GHSA-r2vf-hwwr-q9jg

## What is CVE-2026-11493?

CVE-2026-11493 is a low-severity vulnerability in Tenda AC15, published on 8 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-521 (Weak Password Requirements)

## Which versions are affected by CVE-2026-11493?


## How do I fix CVE-2026-11493?

No fix has been published for CVE-2026-11493 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11493 being exploited?

There is no known exploitation of CVE-2026-11493 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11493 and fix it if it is affected.

What it is: CVE-2026-11493 is a low-severity vulnerability in Tenda AC15, published on 8 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-11493 in the wild and no public exploit code.

Affected product: Tenda AC15. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-11493/ (Markdown: https://insights.sbomify.com/CVE-2026-11493/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11493
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11493
- OSV: https://osv.dev/vulnerability/CVE-2026-11493

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-11493/
Summaries are generated and may contain mistakes; the official description above is the record.