How severe is CVE-2023-51812?

CVE-2023-51812 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-51812 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-2023-51812?

CVE-2023-51812 affects Tenda Ax3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51812?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-51812 have an EU (EUVD) identifier?

Yes. CVE-2023-51812 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56496.

When was CVE-2023-51812 published?

CVE-2023-51812 was published on 2024-01-04 and last updated on 2026-06-17.

CVE-2023-51812

CVE-2023-51812 is a critical-severity vulnerability in Tenda Ax3 Firmware with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56496
Weakness: CWE-77
Affected product: Tenda Ax3 Firmware
Published: 2024-01-04
Last modified: 2026-06-17

Description

Tenda AX3 v16.03.12.11 was discovered to contain a remote code execution (RCE) vulnerability via the list parameter at /goform/SetNetControlList.

Frequently asked questions

What is CVE-2023-51812?: Tenda AX3 v16.03.12.11 was discovered to contain a remote code execution (RCE) vulnerability via the list parameter at /goform/SetNetControlList.
How severe is CVE-2023-51812?: CVE-2023-51812 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-51812 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-2023-51812?: CVE-2023-51812 affects Tenda Ax3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51812?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-51812 have an EU (EUVD) identifier?: Yes. CVE-2023-51812 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56496.
When was CVE-2023-51812 published?: CVE-2023-51812 was published on 2024-01-04 and last updated on 2026-06-17.

References

https://gitee.com/blue_ty/cms/issues/I8PG2A

Affected products (1)

cpe:2.3:o:tenda:ax3_firmware:16.03.12.11:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ax3 Firmware

CVE-2025-69764 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper…
CVE-2025-69766 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper…
CVE-2025-69763 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause…
CVE-2025-69762 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the list parameter, which can cause memory…
CVE-2023-49409 — Critical (CVSS 9.8): Tenda AX3 V16.03.12.11 was discovered to contain a Command Execution vulnerability via the function /goform/telnet.
CVE-2023-49408 — Critical (CVSS 9.8): Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the function set_device_name.

All CVEs affecting Tenda Ax3 Firmware →

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