CVE-2025-57623

MEDIUM
Published Sep 25, 2025 Modified Sep 29, 2025 CWE-476

Description

A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.

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CVSS v3.1 Score

5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor Product
totolink n600r_firmware
totolink n600r

References

Frequently Asked Questions

What is CVE-2025-57623? +
A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service. It has a CVSS v3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2025-57623? +
CVE-2025-57623 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-57623? +
CVE-2025-57623 affects products from totolink, specifically: n600r, n600r_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-57623? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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