How severe is CVE-2024-4123?

CVE-2024-4123 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-2024-4123 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-2024-4123?

CVE-2024-4123 affects Tenda W15e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-4123?

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-2024-4123 have an EU (EUVD) identifier?

Yes. CVE-2024-4123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32684.

When was CVE-2024-4123 published?

CVE-2024-4123 was published on 2024-04-24 and last updated on 2026-06-17.

CVE-2024-4123

CVE-2024-4123 is a high-severity vulnerability in Tenda W15e 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-2024-32684
Weakness: CWE-787
Affected product: Tenda W15e Firmware
Published: 2024-04-24
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in Tenda W15E 15.11.0.14. Affected by this issue is the function formSetPortMapping of the file /goform/SetPortMapping. The manipulation of the argument portMappingServer/portMappingProtocol/portMappingWan/porMappingtInternal/portMappingExternal leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-261866 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-2024-4123?: A vulnerability, which was classified as critical, has been found in Tenda W15E 15.11.0.14. Affected by this issue is the function formSetPortMapping of the file /goform/SetPortMapping. The manipulation of the argument portMappingServer/portMappingProtocol/portMappingWan/porMappingtInternal/portMappingExternal leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-261866 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-2024-4123?: CVE-2024-4123 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-2024-4123 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-2024-4123?: CVE-2024-4123 affects Tenda W15e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-4123?: 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-2024-4123 have an EU (EUVD) identifier?: Yes. CVE-2024-4123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32684.
When was CVE-2024-4123 published?: CVE-2024-4123 was published on 2024-04-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:w15e_firmware:15.11.0.14:*:*:*:*:*:*:*

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