How severe is CVE-2022-36552?

CVE-2022-36552 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-2022-36552 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36552?

CVE-2022-36552 affects Tendacn Ac6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36552?

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-2022-36552 published?

CVE-2022-36552 was published on 2022-08-30 and last updated on 2026-07-05.

CVE-2022-36552

CVE-2022-36552 is a high-severity vulnerability in Tendacn Ac6 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-552.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Tendacn Ac6 Firmware
Published: 2022-08-30
Last modified: 2026-07-05

Description

Tenda AC6(AC1200) v5.0 Firmware v02.03.01.114 and below contains an issue in the component /cgi-bin/DownloadFlash which allows attackers to steal all data such as source code and system files via a crafted GET request.

Frequently asked questions

What is CVE-2022-36552?: Tenda AC6(AC1200) v5.0 Firmware v02.03.01.114 and below contains an issue in the component /cgi-bin/DownloadFlash which allows attackers to steal all data such as source code and system files via a crafted GET request.
How severe is CVE-2022-36552?: CVE-2022-36552 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-2022-36552 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36552?: CVE-2022-36552 affects Tendacn Ac6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36552?: 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-2022-36552 published?: CVE-2022-36552 was published on 2022-08-30 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:o:tendacn:ac6_firmware:*:*:*:*:*:*:*:*

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