# CVE-2026-10192: Tenda W12 httpd set_local_time_0 stack-based overflow

> A remote attacker can trigger a stack-based buffer overflow in the Tenda W12 router's httpd service via the set_local_time_0 function, potentially leading to code execution.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 May 2026
- **Updated:** 1 Jun 2026
- **Also known as:** GHSA-hxxc-3ccm-q96j

## What is CVE-2026-10192?

CVE-2026-10192 is a high-severity memory corruption vulnerability in Tenda W12, published on 31 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was identified in Tenda W12 3.0.0.7(4763). The affected element is the function set_local_time_0 of the file /bin/httpd. Such manipulation of the argument Time leads to stack-based buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.

Weakness: CWE-121 (Stack-based Buffer Overflow), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2026-10192?


## How do I fix CVE-2026-10192?

No fix has been published for CVE-2026-10192 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-10192 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10192 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-10192 and fix it if it is affected.

What it is: CVE-2026-10192 is a high-severity memory corruption vulnerability in Tenda W12, published on 31 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10192 exists.

Affected product: Tenda W12. 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-2026-10192/ (Markdown: https://insights.sbomify.com/CVE-2026-10192/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-10192
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-10192
- OSV: https://osv.dev/vulnerability/CVE-2026-10192

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-10192/
Summaries are generated and may contain mistakes; the official description above is the record.