Security readout for executives and security teams
Plain-English summary
A non-administrator already signed in to a Windows computer could abuse the installed WatchGuard Mobile VPN with SSL Client’s update-package handling to gain full SYSTEM control. This is a local privilege-escalation issue, not evidence of remote compromise through the VPN service itself.
Executive priority
Prioritize remediation in the normal vulnerability cycle, accelerating work for shared endpoints or systems exposed to less-trusted users. Although exploitation is local and no active attacks are reported, successful abuse grants complete SYSTEM privileges. Obtain WatchGuard’s exact fixed-version guidance before closing remediation tickets.
Technical view
CVE-2025-1910 is a CWE-77 weakness in WatchGuard Mobile VPN with SSL Client 11.0 for Windows. It requires local access and low privileges, has low attack complexity, and needs no user interaction. Successful exploitation elevates the attacker to NT AUTHORITY/SYSTEM. The supplied CVSS 4.0 score is 6.3.
Likely exposure
Exposure is limited to Windows endpoints with the affected WatchGuard client installed where an attacker can authenticate locally as a non-administrator. The bundle identifies version 11.0; it does not establish exposure for other releases. Shared workstations and endpoints accessible to untrusted users deserve particular attention.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not listed as KEV. Exploitation requires an attacker to first obtain authenticated local access. The vulnerability could then turn a limited account into complete endpoint control, increasing the consequences of stolen credentials or an existing foothold.
Researcher notes
The CVSS 4.0 vector is AV:L/AC:L/AT:N/PR:L/UI:N with high subsequent-system confidentiality, integrity, and availability impacts. The source bundle associates the flaw with update-package handling and CWE-77 but provides no safe technical detail about the vulnerable processing path. Exact affected builds and a named fix are not included.
Mitigation direction
- Inventory Windows endpoints running WatchGuard Mobile VPN with SSL Client 11.0.
- Review the WatchGuard advisory for the supported fixed release or vendor-approved mitigation.
- Upgrade affected clients according to WatchGuard guidance and organizational change controls.
- Restrict local access and remove unnecessary user accounts from affected endpoints.
- Apply least privilege and monitor affected systems until remediation is verified.
Validation and detection
- Confirm installed client versions using endpoint inventory or software-management records.
- Compare identified builds with the exact affected and fixed versions in WatchGuard’s advisory.
- Verify upgraded endpoints no longer report the affected client release.
- Review endpoint telemetry for unexpected privilege elevation to SYSTEM.
- Confirm non-administrative users cannot modify VPN client update resources or configuration.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-1910 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H——WatchGuardVulnerability scoring details
Base CVSS 4.0 score
6.3MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineWatchGuard
Clarified the potential impact scope for this vulnerability.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://psirt.watchguard.com/CVE-2025-1910CVE reference, WatchGuard · vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00008CVE reference, WatchGuard
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.