CVE-2025-56800: reolink — Exploit

Description

Reolink desktop application 8.18.12 contains a vulnerability in its local authentication mechanism. The application implements lock screen password logic entirely on the client side using JavaScript within an Electron resource file. Because the password is stored and returned via a modifiable JavaScript property(a.settingsManager.lockScreenPassword), an attacker can patch the return value to bypass authentication. NOTE: this is disputed by the Supplier because the lock-screen bypass would only occur if the local user modified his own instance of the application.

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CVSS v3.1 Score

5.1

MEDIUM

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

Weakness Type (CWE)

CWE-290 CWE-290

Affected Products

Vendor	Product	Versions
reolink	reolink	All

References

Exploits

https://github.com/shinyColumn/CVE-2025-56800 https://shinycolumn.notion.site/reolink-auth-bypass

Frequently Asked Questions

What is CVE-2025-56800? +

Reolink desktop application 8.18.12 contains a vulnerability in its local authentication mechanism. The application implements lock screen password logic entirely on the client side using JavaScript within an Electron resource file. Because the password is stored and returned via a modifiable JavaScript property(a.settingsManager.lockScreenPassword), an attacker can patch the return value to bypass authentication. NOTE: this is disputed by the Supplier because the lock-screen bypass would only occur if the local user modified his own instance of the application. It has a CVSS v3.1 base score of 5.1 (MEDIUM).

How severe is CVE-2025-56800? +

CVE-2025-56800 has a CVSS v3.1 score of 5.1 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-2025-56800? +

CVE-2025-56800 affects products from reolink, specifically: reolink. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-56800? +

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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