VDB-432108 · CVE-2026-19703 · GCVE-0-2026-19703

SonicWall SonicOS weak password hash

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.84+

Summaryinfo

A vulnerability described as problematic has been identified in SonicWall SonicOS. The affected element is an unknown function. The manipulation results in weak password hash. This vulnerability was named CVE-2026-19703. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in SonicWall SonicOS (unknown version). Affected is an unknown code block. The manipulation with an unknown input leads to a weak password hash vulnerability. CWE is classifying the issue as CWE-916. The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive. This is going to have an impact on confidentiality. CVE summarizes:

A weak password hashing vulnerability has been identified on SonicOS virtual appliances, which in specific conditions could potentially enable an attacker with existing local access to disclose a platform credential. The credential provides access to a limited subset of platform settings.

The advisory is shared for download at psirt.global.sonicwall.com. This vulnerability is traded as CVE-2026-19703 since 08/13/2026. The exploitability is told to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

SonicWall

Name

SonicOS

License

commercial

Website

Vendor: https://www.sonicwall.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 5.1
ADP CISA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Weak password hash
CWE: CWE-916 / CWE-326 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/13/2026 CVE reserved
11/06/2026 +85 days Advisory disclosed
11/06/2026 +0 days VulDB entry created
11/06/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: sonicwall.com

Advisory: psirt.global.sonicwall.com
Status: Confirmed

CNA: sonicwall
CVE: CVE-2026-19703 (🔒)

GCVE (CVE): GCVE-0-2026-19703
GCVE (VulDB): GCVE-100-432108

Entryinfo

Created: 11/06/2026 20:35
Changes: 11/06/2026 20:35 (60)
Complete: 🔍
Cache ID: 216::103