How severe is CVE-2025-52906?

CVE-2025-52906 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-2025-52906 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52906?

CVE-2025-52906 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52906?

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-2025-52906 have an EU (EUVD) identifier?

Yes. CVE-2025-52906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31021.

When was CVE-2025-52906 published?

CVE-2025-52906 was published on 2025-09-24 and last updated on 2026-06-17.

CVE-2025-52906

CVE-2025-52906 is a critical-severity vulnerability in Totolink X6000r Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31021
Weakness: CWE-78
Affected product: Totolink X6000r Firmware
Published: 2025-09-24
Last modified: 2026-06-17

Description

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in TOTOLINK X6000R allows OS Command Injection.This issue affects X6000R: through V9.4.0cu.1360_B20241207.

Frequently asked questions

What is CVE-2025-52906?: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in TOTOLINK X6000R allows OS Command Injection.This issue affects X6000R: through V9.4.0cu.1360_B20241207.
How severe is CVE-2025-52906?: CVE-2025-52906 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-2025-52906 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52906?: CVE-2025-52906 affects Totolink X6000r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52906?: 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-2025-52906 have an EU (EUVD) identifier?: Yes. CVE-2025-52906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31021.
When was CVE-2025-52906 published?: CVE-2025-52906 was published on 2025-09-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:x6000r_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Totolink X6000r Firmware

CVE-2025-11005 — Critical (CVSS 9.8): Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in TOTOLINK…
CVE-2025-52053 — Critical (CVSS 9.8): TOTOLINK X6000R V9.4.0cu.1360_B20241207 was found to contain a command injection vulnerability in the sub_417D74…
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CVE-2023-52039 — Critical (CVSS 9.8): An issue discovered in TOTOLINK X6000R v9.4.0cu.852_B20230719 allows attackers to run arbitrary commands via the…
CVE-2023-52038 — Critical (CVSS 9.8): An issue discovered in TOTOLINK X6000R v9.4.0cu.852_B20230719 allows attackers to run arbitrary commands via the…

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