How to fix CVE-2025-70833?

Within 24 hours: Isolate affected Smanga instances from production networks or disable external access; inventory all systems running version 3.2.7. Within 7 days: Implement network-based access controls restricting access to check-power.php; enable comprehensive audit logging for authentication events; notify users to monitor accounts for unauthorized access. Within 30 days: Upgrade to a patched version once available; if upgrade unavailable, evaluate replacing Smanga with a supported alternative; conduct forensic analysis for evidence of compromise.

Is PHP affected by CVE-2025-70833?

A critical authentication bypass vulnerability in Smanga 3.2.7 allows attackers to reset any user password, including administrator accounts, without authentication. This poses an immediate risk of complete system compromise and unauthorized access to sensitive data.

CVE-2025-70833

CRITICAL

2026-02-20 [email protected]

9.4

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 20, 2026 - 17:25 nvd

CRITICAL 9.4

Description

An Authentication Bypass vulnerability in Smanga 3.2.7 allows an unauthenticated attacker to reset the password of any user (including the administrator) and fully takeover the account by manipulating POST parameters. The issue stems from insecure permission validation in check-power.php.

Analysis

Auth bypass in Smanga 3.2.7 allows unauthenticated password reset for any user including admin.

Technical Context

CWE-287 authentication bypass.

Affected Products

['Smanga 3.2.7']

Remediation

Update Smanga.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +47

POC: 0

CVE-2025-70833 vulnerability details – vuln.today

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CVE-2025-70833

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

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CVE-2025-70833

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code