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TI-2023-21349 Aliases CVE-2023-40544GHSA-7jrg-2597-p2hc

Westermo Lynx Cleartext Transmission of Sensitive Information

Priority LOW 25CWE-319Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.

Summary

An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00168 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
WestermoLynxL206-F2G1; 4.24—No fix listedCNA
  • Lynx VendorWestermo Affected L206-F2G1; 4.24 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:westermo:l206-f2g_firmware:4.24:*:*:*:*:*:*:*4.24VulnerableWestermo
cpe:2.3:h:westermo:l206-f2g:-:*:*:*:*:*:*:*not specified by NVDRunning onWestermo
  • cpe:2.3:o:westermo:l206-f2g_firmware:4.24:*:*:*:*:*:*:* Versions 4.24 Vulnerable ·Westermo
  • cpe:2.3:h:westermo:l206-f2g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westermo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40544
  2. 2026-10-03 Alias added: GHSA-7jrg-2597-p2hc

References

Advisory 1

  • TI-2023-19952 Westermo Lynx 206-F2G Cross-Site Request Forgery CVSS 3.1HIGH 8.8
  • TI-2023-24511 Westermo Lynx Code Injection CVSS 3.1HIGH 8.0
  • TI-2023-24222 Westermo Lynx Permissive Cross-domain Policy with Untrusted Domains CVSS 3.1MEDIUM 6.6
  • TI-2023-24232 Westermo Lynx Cross-site Scripting CVSS 3.1MEDIUM 5.4
  • TI-2023-24228 Westermo Lynx Cross-site Scripting CVSS 3.1MEDIUM 5.4
  • TI-2023-22861 Westermo Lynx Cross-site Scripting CVSS 3.1MEDIUM 5.4
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences