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% (82nd 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% (82nd 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% (82nd 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:*:*:*:*:*:*:*

More vulnerabilities in Tenda F1203 Firmware

CVE-2023-38940 — Critical (CVSS 9.8): Tenda F1203 V2.0.1.6, FH1203 V2.0.1.6 and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the ssid…
CVE-2023-38936 — Critical (CVSS 9.8): Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28,…
CVE-2023-38934 — Critical (CVSS 9.8): Tenda F1203 V2.0.1.6, FH1203 V2.0.1.6 and FH1205 V2.0.0.7(775) was discovered to contain a stack overflow via the…
CVE-2023-38933 — Critical (CVSS 9.8): Tenda AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6 and AC9 V3.0…
CVE-2023-38931 — Critical (CVSS 9.8): Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44,…
CVE-2023-38930 — Critical (CVSS 9.8): Tenda AC7 V1.0,V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0,V15.03.06.28, AC9 V3.0,V15.03.06.42_multi and FH1205…

All CVEs affecting Tenda F1203 Firmware →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →