How severe is CVE-2024-3906?

CVE-2024-3906 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-3906 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-2024-3906?

CVE-2024-3906 affects Tenda Ac500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-3906?

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-2024-3906 have an EU (EUVD) identifier?

Yes. CVE-2024-3906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32474.

When was CVE-2024-3906 published?

CVE-2024-3906 was published on 2024-04-17 and last updated on 2026-06-17.

CVE-2024-3906

CVE-2024-3906 is a high-severity vulnerability in Tenda Ac500 Firmware with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-32474
Weakness: CWE-787
Affected product: Tenda Ac500 Firmware
Published: 2024-04-17
Last modified: 2026-06-17

Description

A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been declared as critical. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-261142 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2024-3906?: A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been declared as critical. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-261142 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2024-3906?: CVE-2024-3906 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-3906 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-2024-3906?: CVE-2024-3906 affects Tenda Ac500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-3906?: 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-2024-3906 have an EU (EUVD) identifier?: Yes. CVE-2024-3906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32474.
When was CVE-2024-3906 published?: CVE-2024-3906 was published on 2024-04-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac500_firmware:2.0.1.9\(1307\):*:*:*:*:*:*:*

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