How severe is CVE-2024-0991?

CVE-2024-0991 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-0991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-0991?

CVE-2024-0991 affects Tenda I6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-0991?

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-2024-0991 have an EU (EUVD) identifier?

Yes. CVE-2024-0991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-16768.

When was CVE-2024-0991 published?

CVE-2024-0991 was published on 2024-01-29 and last updated on 2026-06-17.

CVE-2024-0991

CVE-2024-0991 is a high-severity vulnerability in Tenda I6 Firmware with a CVSS 3.x base score of 7.2. 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 7.2)
CVSS v2: 8.3
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-16768
Weakness: CWE-787
Affected product: Tenda I6 Firmware
Published: 2024-01-29
Last modified: 2026-06-17

Description

A vulnerability has been found in Tenda i6 1.0.0.9(3857) and classified as critical. This vulnerability affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252256. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2024-0991?: A vulnerability has been found in Tenda i6 1.0.0.9(3857) and classified as critical. This vulnerability affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252256. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2024-0991?: CVE-2024-0991 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-0991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-0991?: CVE-2024-0991 affects Tenda I6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-0991?: 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-2024-0991 have an EU (EUVD) identifier?: Yes. CVE-2024-0991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-16768.
When was CVE-2024-0991 published?: CVE-2024-0991 was published on 2024-01-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:i6_firmware:1.0.0.9\(3857\):*:*:*:*:*:*:*

More vulnerabilities in Tenda I6 Firmware

CVE-2023-48964 — High (CVSS 7.5): Tenda i6 V1.0.0.8(3856) is vulnerable to Buffer Overflow via /goform/WifiMacFilterSet.
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CVE-2024-0992 — High (CVSS 7.2): A vulnerability was found in Tenda i6 1.0.0.9(3857) and classified as critical. This issue affects the function…
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