How severe is CVE-2024-30602?

CVE-2024-30602 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-2024-30602 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-2024-30602?

CVE-2024-30602 affects Tenda Fh1203 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-30602?

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.

Does CVE-2024-30602 have an EU (EUVD) identifier?

Yes. CVE-2024-30602 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28521.

When was CVE-2024-30602 published?

CVE-2024-30602 was published on 2024-03-28 and last updated on 2026-06-17.

CVE-2024-30602

CVE-2024-30602 is a critical-severity vulnerability in Tenda Fh1203 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-28521
Weakness: CWE-120
Affected product: Tenda Fh1203 Firmware
Published: 2024-03-28
Last modified: 2026-06-17

Description

Tenda FH1203 v2.0.1.6 has a stack overflow vulnerability in the schedStartTime parameter of the setSchedWifi function.

Frequently asked questions

What is CVE-2024-30602?: Tenda FH1203 v2.0.1.6 has a stack overflow vulnerability in the schedStartTime parameter of the setSchedWifi function.
How severe is CVE-2024-30602?: CVE-2024-30602 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-2024-30602 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-2024-30602?: CVE-2024-30602 affects Tenda Fh1203 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-30602?: 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.
Does CVE-2024-30602 have an EU (EUVD) identifier?: Yes. CVE-2024-30602 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28521.
When was CVE-2024-30602 published?: CVE-2024-30602 was published on 2024-03-28 and last updated on 2026-06-17.

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/FH/FH1203/setSchedWifi_start.md

Affected products (1)

cpe:2.3:o:tenda:fh1203_firmware:2.0.1.6:*:*:*:*:*:*:*

More vulnerabilities in Tenda Fh1203 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-2023-37707 — Critical (CVSS 9.8): Tenda FH1203 V2.0.1.6 was discovered to contain a stack overflow via the page parameter in the fromVirtualSer function.

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