How severe is CVE-2020-28347?

CVE-2020-28347 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-28347 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28347?

CVE-2020-28347 affects Tp-link Ac1750 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28347?

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

When was CVE-2020-28347 published?

CVE-2020-28347 was published on 2020-11-08 and last updated on 2026-06-17.

CVE-2020-28347

CVE-2020-28347 is a critical-severity vulnerability in Tp-link Ac1750 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 77% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 77% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Tp-link Ac1750 Firmware
Published: 2020-11-08
Last modified: 2026-06-17

Description

tdpServer on TP-Link Archer A7 AC1750 devices before 201029 allows remote attackers to execute arbitrary code via the slave_mac parameter. NOTE: this issue exists because of an incomplete fix for CVE-2020-10882 in which shell quotes are mishandled.

Frequently asked questions

What is CVE-2020-28347?: tdpServer on TP-Link Archer A7 AC1750 devices before 201029 allows remote attackers to execute arbitrary code via the slave_mac parameter. NOTE: this issue exists because of an incomplete fix for CVE-2020-10882 in which shell quotes are mishandled.
How severe is CVE-2020-28347?: CVE-2020-28347 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-28347 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28347?: CVE-2020-28347 affects Tp-link Ac1750 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28347?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-28347 published?: CVE-2020-28347 was published on 2020-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tp-link:ac1750_firmware:*:*:*:*:*:*:*:*

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