How severe is CVE-2023-24333?

CVE-2023-24333 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-24333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24333?

CVE-2023-24333 affects Tenda Ac21 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24333?

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-2023-24333 have an EU (EUVD) identifier?

Yes. CVE-2023-24333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-28389.

When was CVE-2023-24333 published?

CVE-2023-24333 was published on 2024-02-21 and last updated on 2026-06-17.

CVE-2023-24333

CVE-2023-24333 is a high-severity vulnerability in Tenda Ac21 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-28389
Weakness: CWE-94
Affected product: Tenda Ac21 Firmware
Published: 2024-02-21
Last modified: 2026-06-17

Description

A stack overflow vulnerability in Tenda AC21 with firmware version US_AC21V1.0re_V16.03.08.15_cn_TDC01 allows attackers to run arbitrary commands via crafted POST request to /goform/openSchedWifi.

Frequently asked questions

What is CVE-2023-24333?: A stack overflow vulnerability in Tenda AC21 with firmware version US_AC21V1.0re_V16.03.08.15_cn_TDC01 allows attackers to run arbitrary commands via crafted POST request to /goform/openSchedWifi.
How severe is CVE-2023-24333?: CVE-2023-24333 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-24333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24333?: CVE-2023-24333 affects Tenda Ac21 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24333?: 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-2023-24333 have an EU (EUVD) identifier?: Yes. CVE-2023-24333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-28389.
When was CVE-2023-24333 published?: CVE-2023-24333 was published on 2024-02-21 and last updated on 2026-06-17.

References

https://github.com/caoyebo/CVE/tree/main/TENDA%20AC21%20-%20CVE-2023-24333

Affected products (1)

cpe:2.3:o:tenda:ac21_firmware:16.03.08.15:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac21 Firmware

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