Review reviewHigh

CVE-2021-28936

wireless-n wifi repeater firmware, wireless-n wifi repeater

The Acexy Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) Web management administrator password can be changed by sending a specially crafted HTTP GET request. The administrator username has to be known (default:admin) whereas no previous authentication is required.

CVSS
7.5
EPSS
2.03%
79.1% percentile
CISA KEV
Not listed
Published
2021.03.29
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability2.03%
Technical severityCVSS 7.5

Vulnerability overview

The Acexy Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) Web management administrator password can be changed by sending a specially crafted HTTP GET request. The administrator username has to be known (default:admin) whereas no previous authentication is required.

Affected product and versions

Product
wireless-n wifi repeater firmware, wireless-n wifi repeater
Affected versions
28.08.06.1
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that wireless-n wifi repeater firmware, wireless-n wifi repeater and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
CWE-863
CVE-2021-28936 — wireless-n wifi repeater firmware, wireless-n wifi repeater | SECUFOCUS NOW