# CVE-2026-1410: Beetel 777VR1 UART missing authentication

> Attackers with physical access can bypass authentication on the UART interface of the Beetel 777VR1 device.

- **Severity:** Medium 5.4 (`CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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:** 26 Jan 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-rw74-955x-jxvv

## What is CVE-2026-1410?

CVE-2026-1410 is a medium-severity authentication bypass vulnerability in Beetel 777VR1, published on 26 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was detected in Beetel 777VR1 up to 01.00.09/01.00.09_55. Impacted is an unknown function of the component UART Interface. The manipulation results in missing authentication. An attack on the physical device is feasible. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-306 (Missing Authentication for Critical Functionality), CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-1410?

It affects 1 product.


Products: Beetel 777vr1 Firmware.

## How do I fix CVE-2026-1410?

No fix has been published for CVE-2026-1410 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-1410 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1410 exists.

## Other vulnerabilities in Beetel 777VR1

- [CVE-2026-2616](https://insights.sbomify.com/CVE-2026-2616/): Beetel 777VR1 Web Management hard-coded credentials (high 8.7)
- [CVE-2026-2618](https://insights.sbomify.com/CVE-2026-2618/): Beetel 777VR1 SSH Service risky encryption (medium 6.3)
- [CVE-2026-1411](https://insights.sbomify.com/CVE-2026-1411/): Beetel 777VR1 UART access control (medium 5.4)
- [CVE-2020-36056](https://insights.sbomify.com/CVE-2020-36056/): Cross-site scripting in n/a (medium 5.4)
- [CVE-2026-2617](https://insights.sbomify.com/CVE-2026-2617/): Beetel 777VR1 Telnet Service/SSH Service insecure default initialization of resource (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-1410 and fix it if it is affected.

What it is: CVE-2026-1410 is a medium-severity authentication bypass vulnerability in Beetel 777VR1, published on 26 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1410 exists.

Affected product: Beetel 777VR1. 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-2026-1410/ (Markdown: https://insights.sbomify.com/CVE-2026-1410/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-1410
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1410
- OSV: https://osv.dev/vulnerability/CVE-2026-1410

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-1410/
Summaries are generated and may contain mistakes; the official description above is the record.