How severe is CVE-2025-6619?

CVE-2025-6619 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-6619 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6619?

CVE-2025-6619 affects Totolink Ca300-poe Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6619?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6619 have an EU (EUVD) identifier?

Yes. CVE-2025-6619 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19129.

When was CVE-2025-6619 published?

CVE-2025-6619 was published on 2025-06-25 and last updated on 2026-06-17.

CVE-2025-6619

CVE-2025-6619 is a medium-severity vulnerability in Totolink Ca300-poe Firmware with a CVSS 3.x base score of 6.3. 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-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19129
Weakness: CWE-78
Affected product: Totolink Ca300-poe Firmware
Published: 2025-06-25
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been declared as critical. Affected by this vulnerability is the function setUpgradeFW of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-6619?: A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been declared as critical. Affected by this vulnerability is the function setUpgradeFW of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6619?: CVE-2025-6619 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-6619 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6619?: CVE-2025-6619 affects Totolink Ca300-poe Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6619?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6619 have an EU (EUVD) identifier?: Yes. CVE-2025-6619 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19129.
When was CVE-2025-6619 published?: CVE-2025-6619 was published on 2025-06-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:ca300-poe_firmware:6.2c.884:*:*:*:*:*:*:*

More vulnerabilities in Totolink Ca300-poe Firmware

CVE-2023-24161 — Critical (CVSS 9.8): TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability via the webWlanIdx parameter…
CVE-2023-24160 — Critical (CVSS 9.8): TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability via the admuser parameter in…
CVE-2023-24159 — Critical (CVSS 9.8): TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability via the admpass parameter in…
CVE-2023-24149 — Critical (CVSS 9.8): TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a hard code password for root which is stored in the component…
CVE-2023-24148 — Critical (CVSS 9.8): TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability via the FileName parameter in…
CVE-2023-24146 — Critical (CVSS 9.8): TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability via the minute parameter in…

All CVEs affecting Totolink Ca300-poe Firmware →

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