Westermo WeOS 5 through 5.23.0 allows a reboot via a malformed ESP packet.
Priority LOW 27CWE-1286Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Westermo WeOS 5 through 5.23.0 allows a reboot via a malformed ESP packet.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00377 31st percentileScored 2026-11-07
Fix Fixed WeOS (Westermo): 5.24.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA WeOS (Westermo) Fixed in 5.24.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46419
- 2026-10-03 Alias added: GHSA-wx2x-f6c2-gqxf
More Westermo vulnerabilities
- TI-2020-09998 Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products CVSS 3.1HIGH 7.2
- TI-2020-09999 Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products CVSS 3.1CRITICAL 9.8
- TI-2020-09996 Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products CVSS 3.1CRITICAL 9.8
- TI-2020-09995 Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products CVSS 3.1CRITICAL 9.8
- TI-2024-23314 Westermo L210-F2G Lynx Improper Control of Interaction Frequency CVSS 4.0HIGH 8.7
- TI-2018-13899 The /uploadfile? functionality in Westermo DR-250 Pre-5162 and DR-260 Pre-5162 routers… CVSS 3.0HIGH 8.8
Sources
- CVE-2025-46419 · CVE Program
- CVE-2025-46419 · NVD
- FIRST EPSS
- GHSA-wx2x-f6c2-gqxf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences