How severe is CVE-2023-49406?

CVE-2023-49406 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-2023-49406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49406?

CVE-2023-49406 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49406?

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.

When was CVE-2023-49406 published?

CVE-2023-49406 was published on 2023-12-07 and last updated on 2026-06-17.

CVE-2023-49406

CVE-2023-49406 is a critical-severity vulnerability in Tenda W30e 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tenda W30e Firmware
Published: 2023-12-07
Last modified: 2026-06-17

Description

Tenda W30E V16.01.0.12(4843) was discovered to contain a Command Execution vulnerability via the function /goform/telnet.

Frequently asked questions

What is CVE-2023-49406?: Tenda W30E V16.01.0.12(4843) was discovered to contain a Command Execution vulnerability via the function /goform/telnet.
How severe is CVE-2023-49406?: CVE-2023-49406 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-2023-49406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49406?: CVE-2023-49406 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49406?: 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.
When was CVE-2023-49406 published?: CVE-2023-49406 was published on 2023-12-07 and last updated on 2026-06-17.

References

https://github.com/GD008/TENDA/blob/main/w30e/tenda_w30e_telnet/w30e_telnet.md

Affected products (1)

cpe:2.3:o:tenda:w30e_firmware:16.01.0.12\(4843\):*:*:*:*:*:*:*

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CVE-2024-32286 — Critical (CVSS 9.8): Tenda W30E v1.0 V1.0.1.25(633) firmware has a stack overflow vulnerability located via the page parameter in the…
CVE-2023-49411 — Critical (CVSS 9.8): Tenda W30E V16.01.0.12(4843) contains a stack overflow vulnerability via the function formDeleteMeshNode.

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