How severe is CVE-2022-46538?

CVE-2022-46538 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-2022-46538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46538?

CVE-2022-46538 affects Tenda F1203 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-46538?

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-2022-46538 published?

CVE-2022-46538 was published on 2022-12-20 and last updated on 2026-06-17.

CVE-2022-46538

CVE-2022-46538 is a critical-severity vulnerability in Tenda F1203 Firmware with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Tenda F1203 Firmware
Published: 2022-12-20
Last modified: 2026-06-17

Description

Tenda F1203 V2.0.1.6 was discovered to contain a command injection vulnerability via the mac parameter at /goform/WriteFacMac.

Frequently asked questions

What is CVE-2022-46538?: Tenda F1203 V2.0.1.6 was discovered to contain a command injection vulnerability via the mac parameter at /goform/WriteFacMac.
How severe is CVE-2022-46538?: CVE-2022-46538 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-2022-46538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46538?: CVE-2022-46538 affects Tenda F1203 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-46538?: 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-2022-46538 published?: CVE-2022-46538 was published on 2022-12-20 and last updated on 2026-06-17.

References

https://github.com/Double-q1015/CVE-vulns/blob/main/tenda_f1203/formWriteFacMac/formWriteFacMac.md

Affected products (1)

cpe:2.3:o:tenda:f1203_firmware:2.0.1.6:*:*:*:*:*:*:*

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