Invalid input sanitizing leads to reflected Cross Site Scripting (XSS) in ASUS…
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Invalid input sanitizing leads to reflected Cross Site Scripting (XSS) in ASUS RT-AC52U_B1 3.0.0.4.380.10931 can lead to a user session hijack.
Why it matters now
EPSS 0.00725 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46109
- 2026-10-03 Alias added: GHSA-87g9-qw66-4r63
References
More ASUS Rt-ac52u B1 Firmware vulnerabilities
- TI-2018-06370 ASUS RT-AC51U, RT-AC58U, RT-AC66U, RT-AC1750, RT-ACRH13, and RT-N12 D1 routers with… CVSS 3.0CRITICAL 9.8
- TI-2021-19533 ASUS RT-A88U 3.0.0.4.386_45898 is vulnerable to Cross Site Scripting (XSS). CVSS 3.1CRITICAL 9.0
Sources
- CVE-2021-46109 · CVE Program
- CVE-2021-46109 · NVD
- FIRST EPSS
- GHSA-87g9-qw66-4r63 · GitHub Advisory Database · CC BY 4.0
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