CVE-2025-6620

Name: CVE-2025-6620
Creator: NVD / NIST
Published: 2025-06-25T18:15:25.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 2.70%

Last modified Jun 17, 2026

CVE-2025-6620 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been rated as critical. EPSS estimates a 2.70% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

2.70%

84.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	Ca300-Poe Firmware	6.2c.884

References

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.mdExploit, Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md#pocExploit, Third Party Advisory
https://vuldb.com/?ctiid.313838Permissions Required, VDB Entry
https://vuldb.com/?id.313838Third Party Advisory, VDB Entry
https://vuldb.com/?submit.602265Third Party Advisory, VDB Entry
https://www.totolink.net/Product
https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.mdExploit, Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md#pocExploit, Third Party Advisory

Timeline

Published: Jun 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6620?

How severe is CVE-2025-6620?

CVE-2025-6620 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 2.70% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6620?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-6620?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST