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Vulnerability record · CVE-2018-4073 · published 6 May 2019

CVE-2018-4073: Sierrawireless airlink es450 firmware incorrect permission assignment vulnerability

Sierrawireless · Airlink Es450 Firmware

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.

8.8 CVSS 3.0 High EPSS 26% · top 2.1% CWE-732 · Incorrect permission assignment
8.8CVSS 3.0 base score, v2 6.5
26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0756 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0756 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2018-4072Sierrawireless airlink es450 firmware incorrect permission assignment vulnerabilityAn exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW…EPSS 26%8.8CVE-2018-4066Sierrawireless airlink es450 firmware cross-site request forgery vulnerabilityAn exploitable cross-site request forgery vulnerability exists in the ACEManager functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially…EPSS 1.9%8.8CVE-2018-4070Sierrawireless airlink es450 firmware information exposure vulnerabilityAn exploitable Information Disclosure vulnerability exists in the ACEManager EmbeddedAceGet_Task.cgi functionality of Sierra Wireless AirLink ES450 F…EPSS 18%8.8CVE-2018-4071Sierrawireless airlink es450 firmware information exposure vulnerabilityAn exploitable Information Disclosure vulnerability exists in the ACEManager EmbeddedAceGet_Task.cgi functionality of Sierra Wireless AirLink ES450 F…EPSS 18%8.8CVE-2018-4061Sierrawireless airlink es450 firmware os command injection vulnerabilityAn exploitable command injection vulnerability exists in the ACEManager iplogging.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A spec…EPSS 19%8.1CVE-2018-4062Sierrawireless airlink es450 firmware hard-coded credentials vulnerabilityA hard-coded credentials vulnerability exists in the snmpd function of the Sierra Wireless AirLink ES450 FW 4.9.3. Activating snmpd outside of the We…EPSS 5.3%7.5CVE-2018-4069Sierrawireless airlink es450 firmware information exposure vulnerabilityAn information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The ACEManag…EPSS 4.1%7.1CVE-2018-4064Sierrawireless airlink es450 firmware improper authentication vulnerabilityAn exploitable unverified password change vulnerability exists in the ACEManager upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. …EPSS 14%

Source: NIST National Vulnerability Database (record CVE-2018-4073), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.