How severe is CVE-2024-30603?

CVE-2024-30603 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-30603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-30603?

CVE-2024-30603 affects Tenda Fh1203 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-30603?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-30603 have an EU (EUVD) identifier?

Yes. CVE-2024-30603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28522.

When was CVE-2024-30603 published?

CVE-2024-30603 was published on 2024-03-28 and last updated on 2026-06-17.

CVE-2024-30603

CVE-2024-30603 is a medium-severity vulnerability in Tenda Fh1203 Firmware with a CVSS 3.x base score of 6.5. 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-121.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-28522
Weakness: CWE-121
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 urls parameter of the saveParentControlInfo function.

Frequently asked questions

What is CVE-2024-30603?: Tenda FH1203 v2.0.1.6 has a stack overflow vulnerability in the urls parameter of the saveParentControlInfo function.
How severe is CVE-2024-30603?: CVE-2024-30603 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-30603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-30603?: CVE-2024-30603 affects Tenda Fh1203 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-30603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-30603 have an EU (EUVD) identifier?: Yes. CVE-2024-30603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28522.
When was CVE-2024-30603 published?: CVE-2024-30603 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/saveParentControlInfo_urls.md

Affected products (1)

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

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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…
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