How severe is CVE-2021-28937?

CVE-2021-28937 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-28937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28937?

CVE-2021-28937 affects Acexy Wireless-n Wifi Repeater Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28937?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-28937 published?

CVE-2021-28937 was published on 2021-03-29 and last updated on 2026-07-05.

CVE-2021-28937

CVE-2021-28937 is a high-severity vulnerability in Acexy Wireless-n Wifi Repeater Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Acexy Wireless-n Wifi Repeater Firmware
Published: 2021-03-29
Last modified: 2026-07-05

Description

The /password.html page of the Web management interface of the Acexy Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) contains the administrator account password in plaintext. The page can be intercepted on HTTP.

Frequently asked questions

What is CVE-2021-28937?: The /password.html page of the Web management interface of the Acexy Wireless-N WiFi Repeater REV 1.0 (28.08.06.1) contains the administrator account password in plaintext. The page can be intercepted on HTTP.
How severe is CVE-2021-28937?: CVE-2021-28937 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-28937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28937?: CVE-2021-28937 affects Acexy Wireless-n Wifi Repeater Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28937?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-28937 published?: CVE-2021-28937 was published on 2021-03-29 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:o:acexy:wireless-n_wifi_repeater_firmware:28.08.06.1:*:*:*:*:*:*:*

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