How severe is CVE-2020-28005?

CVE-2020-28005 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-28005 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28005?

CVE-2020-28005 affects Tp-link Tl-wpa4220 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28005?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-28005 published?

CVE-2020-28005 was published on 2020-11-18 and last updated on 2026-06-17.

CVE-2020-28005

CVE-2020-28005 is a medium-severity vulnerability in Tp-link Tl-wpa4220 Firmware with a CVSS 3.x base score of 6.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Tp-link Tl-wpa4220 Firmware
Published: 2020-11-18
Last modified: 2026-06-17

Description

httpd on TP-Link TL-WPA4220 devices (hardware versions 2 through 4) allows remote authenticated users to trigger a buffer overflow (causing a denial of service) by sending a POST request to the /admin/syslog endpoint. Fixed version: TL-WPA4220(EU)_V4_201023

Frequently asked questions

What is CVE-2020-28005?: httpd on TP-Link TL-WPA4220 devices (hardware versions 2 through 4) allows remote authenticated users to trigger a buffer overflow (causing a denial of service) by sending a POST request to the /admin/syslog endpoint. Fixed version: TL-WPA4220(EU)_V4_201023
How severe is CVE-2020-28005?: CVE-2020-28005 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-28005 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28005?: CVE-2020-28005 affects Tp-link Tl-wpa4220 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28005?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28005 published?: CVE-2020-28005 was published on 2020-11-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tp-link:tl-wpa4220_firmware:*:*:*:*:*:*:*:*

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