How severe is CVE-2023-52031?

CVE-2023-52031 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-2023-52031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-52031?

CVE-2023-52031 affects Totolink A3700r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-52031?

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-2023-52031 have an EU (EUVD) identifier?

Yes. CVE-2023-52031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56710.

When was CVE-2023-52031 published?

CVE-2023-52031 was published on 2024-01-11 and last updated on 2026-06-17.

CVE-2023-52031

CVE-2023-52031 is a critical-severity vulnerability in Totolink A3700r 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% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56710
Affected product: Totolink A3700r Firmware
Published: 2024-01-11
Last modified: 2026-06-17

Description

TOTOlink A3700R v9.1.2u.5822_B20200513 was discovered to contain a remote command execution (RCE) vulnerability via the UploadFirmwareFile function.

Frequently asked questions

What is CVE-2023-52031?: TOTOlink A3700R v9.1.2u.5822_B20200513 was discovered to contain a remote command execution (RCE) vulnerability via the UploadFirmwareFile function.
How severe is CVE-2023-52031?: CVE-2023-52031 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-2023-52031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-52031?: CVE-2023-52031 affects Totolink A3700r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-52031?: 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-2023-52031 have an EU (EUVD) identifier?: Yes. CVE-2023-52031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56710.
When was CVE-2023-52031 published?: CVE-2023-52031 was published on 2024-01-11 and last updated on 2026-06-17.

References

https://815yang.github.io/2023/12/04/a3700r/TOTOlink%20A3700R_UploadFirmwareFile/

Affected products (1)

cpe:2.3:o:totolink:a3700r_firmware:9.1.2u.5822_b20200513:*:*:*:*:*:*:*

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