How severe is CVE-2024-42947?

CVE-2024-42947 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-2024-42947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42947?

CVE-2024-42947 affects Tenda Fh1201 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42947?

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-2024-42947 have an EU (EUVD) identifier?

Yes. CVE-2024-42947 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39838.

When was CVE-2024-42947 published?

CVE-2024-42947 was published on 2024-08-15 and last updated on 2026-06-17.

CVE-2024-42947

CVE-2024-42947 is a critical-severity vulnerability in Tenda Fh1201 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39838
Weakness: CWE-77
Affected product: Tenda Fh1201 Firmware
Published: 2024-08-15
Last modified: 2026-06-17

Description

An issue in the handler function in /goform/telnet of Tenda FH1201 v1.2.0.14 (408) allows attackers to execute arbitrary commands via a crafted HTTP request.

Frequently asked questions

What is CVE-2024-42947?: An issue in the handler function in /goform/telnet of Tenda FH1201 v1.2.0.14 (408) allows attackers to execute arbitrary commands via a crafted HTTP request.
How severe is CVE-2024-42947?: CVE-2024-42947 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-2024-42947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42947?: CVE-2024-42947 affects Tenda Fh1201 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42947?: 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-2024-42947 have an EU (EUVD) identifier?: Yes. CVE-2024-42947 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39838.
When was CVE-2024-42947 published?: CVE-2024-42947 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/telnet.md

Affected products (1)

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

More vulnerabilities in Tenda Fh1201 Firmware

CVE-2026-5046 — High (CVSS 8.8): A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file…
CVE-2026-5045 — High (CVSS 8.8): A vulnerability was detected in Tenda FH1201 1.2.0.14(408). This impacts the function WrlclientSet of the file…
CVE-2025-14995 — High (CVSS 8.8): A vulnerability has been found in Tenda FH1201 1.2.0.14(408). Affected is the function sprintf of the file…
CVE-2025-14994 — High (CVSS 8.8): A flaw has been found in Tenda FH1201 and FH1206 1.2.0.14(408)/1.2.0.8(8155). This impacts the function strcat of the…
CVE-2025-7551 — High (CVSS 8.8): A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been declared as critical. Affected by this…
CVE-2025-7550 — High (CVSS 8.8): A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been classified as critical. Affected is the function…

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