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Home / Vulnerability Intelligence / CVE-2026-42930

CVE-2026-42930 - Vulnerability Analysis

HighCVSS: 8.7

Last Updated: May 13, 2026

BIG-IP - Authentication Bypass

Published: May 13, 2026Updated: May 13, 2026Remote Exploitable

Overview

BIG-IP contains an authentication bypass caused by improper enforcement of Appliance mode restrictions, letting authenticated attackers with Administrator role bypass Appliance mode restrictions.

Severity & Score

Severity: High
CVSS Score: 8.7
EPSS Score: 2.6%(Probability of exploitation in next 30 days)

Impact

Authenticated administrators can bypass Appliance mode restrictions, potentially compromising system security.

Mitigation

Update to the latest supported version.

Social Media Activity(2 posts)

TheHackerWire
TheHackerWire
@thehackerwire
May 13, 2026

🟠 CVE-2026-42930 - High (8.7) When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system. Note: Software versions which have reached End of Technical Support (EoTS) are not... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-42930/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
May 13, 2026

🟠 CVE-2026-42930 - High (8.7) When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system. Note: Software versions which have reached End of Technical Support (EoTS) are not... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-42930/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Details

CVE ID
CVE-2026-42930
Severity
High
CVSS Score
8.7
Type
broken_authentication
Status
unconfirmed
EPSS
2.6%
Social Posts
2

CWE

  • CWE-35

CVSS Metrics

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

EPSS Score

2.6%Probability of exploitation in the next 30 days