How severe is CVE-2023-52039?

CVE-2023-52039 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-2023-52039 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-52039?

CVE-2023-52039 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-52039?

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-2023-52039 have an EU (EUVD) identifier?

Yes. CVE-2023-52039 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56718.

When was CVE-2023-52039 published?

CVE-2023-52039 was published on 2024-01-24 and last updated on 2026-06-17.

CVE-2023-52039

CVE-2023-52039 is a critical-severity vulnerability in Totolink X6000r 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% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56718
Weakness: CWE-77
Affected product: Totolink X6000r Firmware
Published: 2024-01-24
Last modified: 2026-06-17

Description

An issue discovered in TOTOLINK X6000R v9.4.0cu.852_B20230719 allows attackers to run arbitrary commands via the sub_415AA4 function.

Frequently asked questions

What is CVE-2023-52039?: An issue discovered in TOTOLINK X6000R v9.4.0cu.852_B20230719 allows attackers to run arbitrary commands via the sub_415AA4 function.
How severe is CVE-2023-52039?: CVE-2023-52039 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-2023-52039 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-52039?: CVE-2023-52039 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-52039?: 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-2023-52039 have an EU (EUVD) identifier?: Yes. CVE-2023-52039 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56718.
When was CVE-2023-52039 published?: CVE-2023-52039 was published on 2024-01-24 and last updated on 2026-06-17.

References

https://github.com/Beckaf/vunl/blob/main/TOTOLINK/X6000R/2/2.md

Affected products (1)

cpe:2.3:o:totolink:x6000r_firmware:9.4.0cu.852_b20230719:*:*:*:*:*:*:*

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