How severe is CVE-2023-39672?

CVE-2023-39672 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-2023-39672 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39672?

CVE-2023-39672 affects Tenda Wh450a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39672?

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-2023-39672 published?

CVE-2023-39672 was published on 2023-08-18 and last updated on 2026-06-17.

CVE-2023-39672

CVE-2023-39672 is a critical-severity vulnerability in Tenda Wh450a 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Tenda Wh450a Firmware
Published: 2023-08-18
Last modified: 2026-06-17

Description

Tenda WH450 v1.0.0.18 was discovered to contain a buffer overflow via the function fgets.

Frequently asked questions

What is CVE-2023-39672?: Tenda WH450 v1.0.0.18 was discovered to contain a buffer overflow via the function fgets.
How severe is CVE-2023-39672?: CVE-2023-39672 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-2023-39672 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39672?: CVE-2023-39672 affects Tenda Wh450a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39672?: 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-2023-39672 published?: CVE-2023-39672 was published on 2023-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:wh450a_firmware:1.0.0.18:*:*:*:*:*:*:*

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