How to fix CVE-2025-55620?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Reolink affected by CVE-2025-55620?

CVE-2025-55620 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2025-55620

MEDIUM

2025-08-22 [email protected]

6.1

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Aug 28, 2025 - 13:31 vuln.today

Public exploit code

CVE Published

Aug 22, 2025 - 17:15 nvd

MEDIUM 6.1

Description

A cross-site scripting (XSS) vulnerability in the valuateJavascript() function of Reolink v4.54.0.4.20250526 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

Analysis

A cross-site scripting (XSS) vulnerability in the valuateJavascript() function of Reolink v4.54.0.4.20250526 allows attackers to execute arbitrary web scripts or HTML via a crafted payload. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A cross-site scripting (XSS) vulnerability in the valuateJavascript() function of Reolink v4.54.0.4.20250526 allows attackers to execute arbitrary web scripts or HTML via a crafted payload. Affected products include: Reolink.

Affected Products

Reolink.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +30

POC: +20

CVE-2025-55620 vulnerability details – vuln.today

Back

CVE-2025-55620

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

CVE-2025-55620

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code