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CVE-2018-4073

39
FAUCET Score

CVE-2018-4073 is a high-severity Permission Assignment vulnerability in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 firmware version 4.9.3. This flaw allows an authenticated attacker to make arbitrary changes to system settings by exploiting a similar endpoint, /cgi-bin/Embeded_Ace_TLSet_Task.cgi. With a CVSS score of 8.8, the vulnerability has a network attack vector, low attack complexity, and can lead to high impact on confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.9.3CPE matchmatch criteria
cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
25.39%
Probability of exploitation in next 30 days
EPSS Percentile
97.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2539 is in the 97th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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