How severe is CVE-2023-39751?

CVE-2023-39751 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-2023-39751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39751?

CVE-2023-39751 affects Tp-link Tl-wr941nd V6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39751?

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-2023-39751 published?

CVE-2023-39751 was published on 2023-08-21 and last updated on 2026-06-17.

CVE-2023-39751

CVE-2023-39751 is a critical-severity vulnerability in Tp-link Tl-wr941nd V6 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tp-link Tl-wr941nd V6 Firmware
Published: 2023-08-21
Last modified: 2026-06-17

Description

TP-Link TL-WR941ND V6 were discovered to contain a buffer overflow via the pSize parameter at /userRpm/PingIframeRpm.

Frequently asked questions

What is CVE-2023-39751?: TP-Link TL-WR941ND V6 were discovered to contain a buffer overflow via the pSize parameter at /userRpm/PingIframeRpm.
How severe is CVE-2023-39751?: CVE-2023-39751 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-2023-39751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39751?: CVE-2023-39751 affects Tp-link Tl-wr941nd V6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39751?: 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-2023-39751 published?: CVE-2023-39751 was published on 2023-08-21 and last updated on 2026-06-17.

References

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/20/WR941ND_userRpm_PingIframeRpm_buffer_write_out-of-bounds_vulnerability.md

Affected products (1)

cpe:2.3:o:tp-link:tl-wr941nd_v6_firmware:-:*:*:*:*:*:*:*

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