How severe is CVE-2024-42949?

CVE-2024-42949 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 none, integrity none, and availability high.

Is CVE-2024-42949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42949?

CVE-2024-42949 affects Tendacn Fh1201 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42949?

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.

Does CVE-2024-42949 have an EU (EUVD) identifier?

Yes. CVE-2024-42949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39840.

When was CVE-2024-42949 published?

CVE-2024-42949 was published on 2024-08-15 and last updated on 2026-06-17.

CVE-2024-42949

CVE-2024-42949 is a high-severity vulnerability in Tendacn Fh1201 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39840
Weakness: CWE-787
Affected product: Tendacn Fh1201 Firmware
Published: 2024-08-15
Last modified: 2026-06-17

Description

Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the qos parameter in the fromqossetting function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Frequently asked questions

What is CVE-2024-42949?: Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the qos parameter in the fromqossetting function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
How severe is CVE-2024-42949?: CVE-2024-42949 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 none, integrity none, and availability high.
Is CVE-2024-42949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42949?: CVE-2024-42949 affects Tendacn Fh1201 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42949?: 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.
Does CVE-2024-42949 have an EU (EUVD) identifier?: Yes. CVE-2024-42949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39840.
When was CVE-2024-42949 published?: CVE-2024-42949 was published on 2024-08-15 and last updated on 2026-06-17.

References

https://github.com/TTTJJJWWW/AHU-IoT-vulnerable/blob/main/Tenda/FH1201/fromqossetting_qos.md

Affected products (1)

cpe:2.3:o:tendacn:fh1201_firmware:1.2.0.14\(408\):*:*:*:*:*:*:*

More vulnerabilities in Tendacn Fh1201 Firmware

CVE-2024-41473 — Critical (CVSS 9.8): Tenda FH1201 v1.2.0.14 was discovered to contain a command injection vulnerability via the mac parameter at…
CVE-2024-41468 — Critical (CVSS 9.8): Tenda FH1201 v1.2.0.14 was discovered to contain a command injection vulnerability via the cmdinput parameter at…
CVE-2024-41461 — Critical (CVSS 9.8): Tenda FH1201 v1.2.0.14 was discovered to contain a stack-based buffer overflow vulnerability via the list1 parameter at…
CVE-2024-41460 — Critical (CVSS 9.8): Tenda FH1201 v1.2.0.14 was discovered to contain a stack-based buffer overflow vulnerability via the entrys parameter…
CVE-2024-41459 — Critical (CVSS 9.8): Tenda FH1201 v1.2.0.14 was discovered to contain a stack-based buffer overflow vulnerability via the PPPOEPassword…
CVE-2024-42954 — High (CVSS 7.5): Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the…

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