How severe is CVE-2024-30840?

CVE-2024-30840 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-2024-30840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-30840?

CVE-2024-30840 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-30840?

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

Does CVE-2024-30840 have an EU (EUVD) identifier?

Yes. CVE-2024-30840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28759.

When was CVE-2024-30840 published?

CVE-2024-30840 was published on 2024-04-15 and last updated on 2026-06-17.

CVE-2024-30840

CVE-2024-30840 is a medium-severity vulnerability in Tenda Ac15 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: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-28759
Weakness: CWE-121
Affected product: Tenda Ac15 Firmware
Published: 2024-04-15
Last modified: 2026-06-17

Description

A Stack Overflow vulnerability in Tenda AC15 v15.03.05.18 allows attackers to cause a denial of service via the LISTEN parameter in the fromDhcpListClient function.

Frequently asked questions

What is CVE-2024-30840?: A Stack Overflow vulnerability in Tenda AC15 v15.03.05.18 allows attackers to cause a denial of service via the LISTEN parameter in the fromDhcpListClient function.
How severe is CVE-2024-30840?: CVE-2024-30840 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-2024-30840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-30840?: CVE-2024-30840 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-30840?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-30840 have an EU (EUVD) identifier?: Yes. CVE-2024-30840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28759.
When was CVE-2024-30840 published?: CVE-2024-30840 was published on 2024-04-15 and last updated on 2026-06-17.

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC15/V15.03.05.18/fromDhcpListClient_list1.md

Affected products (1)

cpe:2.3:o:tenda:ac15_firmware:15.03.05.18:*:*:*:*:*:*:*

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