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TI-2018-03039 Aliases CVE-2018-4073GHSA-4mhq-mfhv-hjcw

Incorrect permission assignment in Sierra Wireless

Priority MEDIUM 60CWE-732Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The the binary the endpoint /cgi-bin/Embeded_Ace_TLSet_Task.cgi is a very similar endpoint that is designed for use with setting table values that can cause an arbitrary setting writes, resulting in the unverified changes to any system setting. An attacker can make an authenticated HTTP request, or run the binary as any user, to trigger this vulnerability.

Why it matters now

EPSS 0.25634 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Sierra WirelessSierra Wireless AirLink ES450 FW 4.9.3—No fix listedCNA
  • Sierra Wireless Vendor— Affected Sierra Wireless AirLink ES450 FW 4.9.3 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:*4.9.3VulnerableSierraWireless
cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:*not specified by NVDRunning onSierraWireless
  • cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:* Versions 4.9.3 Vulnerable ·SierraWireless
  • cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-4073
  2. 2026-10-03 Alias added: GHSA-4mhq-mfhv-hjcw

References

Exploit 1

  • TI-2018-03038 Incorrect permission assignment in Sierra Wireless CVSS 3.0HIGH 8.8
  • TI-2018-03037 Information disclosure in Sierra Wireless CVSS 3.0HIGH 8.8
  • TI-2018-03036 Information disclosure in Sierra Wireless CVSS 3.0HIGH 8.8
  • TI-2018-03027 OS command injection in Sierra Wireless CVSS 3.0HIGH 8.8
  • TI-2018-03030 Improper authentication in Sierra Wireless CVSS 3.1HIGH 7.1
  • TI-2018-03028 Hard-coded credentials in Sierra Wireless CVSS 3.0HIGH 8.1
See all 11 →

Sources

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