How severe is CVE-2024-2856?

CVE-2024-2856 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-2024-2856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-2856?

CVE-2024-2856 primarily affects Tenda Ac10 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-2856?

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-2024-2856 have an EU (EUVD) identifier?

Yes. CVE-2024-2856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27800.

When was CVE-2024-2856 published?

CVE-2024-2856 was published on 2024-03-24 and last updated on 2026-06-17.

CVE-2024-2856

CVE-2024-2856 is a high-severity vulnerability in Tenda Ac10 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-121.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-27800
Weakness: CWE-121
Affected product: Tenda Ac10 Firmware
Published: 2024-03-24
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in Tenda AC10 16.03.10.13/16.03.10.20. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257780. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2024-2856?: A vulnerability, which was classified as critical, has been found in Tenda AC10 16.03.10.13/16.03.10.20. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257780. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2024-2856?: CVE-2024-2856 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-2024-2856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-2856?: CVE-2024-2856 primarily affects Tenda Ac10 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-2856?: 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-2024-2856 have an EU (EUVD) identifier?: Yes. CVE-2024-2856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27800.
When was CVE-2024-2856 published?: CVE-2024-2856 was published on 2024-03-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:tenda:ac10_firmware:16.03.10.13:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10_firmware:16.03.10.20:*:*:*:*:*:*:*

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