CVE-2021-28160: Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) suffers from a reflected XSS vulnerability due to unsanitized SS

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MEDIUM 6.1MITIGATE

CVE-2021-28160 is a medium-severity flaw (CVSS 6.1) affecting acexy wireless-n wifi repeater firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) suffers from a reflected XSS vulnerability due to unsanitized SSID value when the latter is displayed in the /repeater.html page ("Repeater Wizard" homepage section).

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-03-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: acexy wireless-n wifi repeater project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-03-18 19:15 UTCPublished CVE record published
2026-06-17 03:45 UTCUpdated Record last modified

acexy wireless-n wifi repeater project acexy wireless-n wifi repeater firmware MITIGATE

Affected: 28.08.06.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 28.08.06.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-28160?

acexy wireless-n wifi repeater firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-28160 being exploited?

CVE-2021-28160 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-28160 affect?

CVE-2021-28160 affects acexy wireless-n wifi repeater firmware. Severity is medium (CVSS 6.1). Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) suffers from a reflected XSS vulnerability due to unsanitized SSID value when the latter is displayed in the /repeater.html page ("Repeater Wizard" homepage section).

How urgent is CVE-2021-28160?

Priority 41/100. Public exploit reference

Software pages

Wi-Fi vulnerabilities

References

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