OPNsense Foundation up to 26.7.7 Wireless Configuration identity/passphrase injection

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.45

Summaryinfo

A vulnerability described as problematic has been identified in OPNsense Foundation OPNsense up to 26.7.7. This vulnerability affects unknown code of the component Wireless Configuration. Such manipulation of the argument identity/passphrase leads to injection. This vulnerability is traded as CVE-2026-119424. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OPNsense Foundation OPNsense up to 26.7.7. Affected by this issue is an unknown code block of the component Wireless Configuration. The manipulation of the argument identity/passphrase with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is integrity, and availability. CVE summarizes:

OPNsense core before 26.7.8 contains a configuration line injection vulnerability that allows authenticated users with wireless-edit privilege to inject directives by embedding CR/LF characters in WPA fields. Attackers can place newlines in wpa.identity, wpa.passphrase, or RADIUS shared secrets to append arbitrary wpa_supplicant or hostapd directives loaded by root-run daemons.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-119424 since 10/30/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

Upgrading to version 26.7.8 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OPNsense 26.7.8

Timelineinfo

10/30/2026 Advisory disclosed
10/30/2026 +0 days CVE reserved
10/30/2026 +0 days VulDB entry created
10/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CNA: VulnCheck
CVE: CVE-2026-119424 (🔒)

GCVE (CVE): GCVE-0-2026-119424
GCVE (VulDB): GCVE-100-429014

Entryinfo

Created: 10/30/2026 12:50
Changes: 10/30/2026 12:50 (77)
Complete: 🔍
Cache ID: 216::103

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