How severe is CVE-2025-52046?

CVE-2025-52046 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-2025-52046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52046?

CVE-2025-52046 affects Totolink A3300r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52046?

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-2025-52046 have an EU (EUVD) identifier?

Yes. CVE-2025-52046 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21783.

When was CVE-2025-52046 published?

CVE-2025-52046 was published on 2025-07-17 and last updated on 2026-06-17.

CVE-2025-52046

CVE-2025-52046 is a critical-severity vulnerability in Totolink A3300r 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: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21783
Weakness: CWE-77
Affected product: Totolink A3300r Firmware
Published: 2025-07-17
Last modified: 2026-06-17

Description

Totolink A3300R V17.0.0cu.596_B20250515 was found to contain a command injection vulnerability in the sub_4197C0 function via the mac and desc parameters. This vulnerability allows unauthenticated attackers to execute arbitrary commands via a crafted request.

Frequently asked questions

What is CVE-2025-52046?: Totolink A3300R V17.0.0cu.596_B20250515 was found to contain a command injection vulnerability in the sub_4197C0 function via the mac and desc parameters. This vulnerability allows unauthenticated attackers to execute arbitrary commands via a crafted request.
How severe is CVE-2025-52046?: CVE-2025-52046 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-2025-52046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52046?: CVE-2025-52046 affects Totolink A3300r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52046?: 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-2025-52046 have an EU (EUVD) identifier?: Yes. CVE-2025-52046 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21783.
When was CVE-2025-52046 published?: CVE-2025-52046 was published on 2025-07-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.596_b20250515:*:*:*:*:*:*:*

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