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CVE-2018-10251

32
FAUCET Score

CVE-2018-10251 is a critical vulnerability affecting multiple Sierra Wireless AirLink router models running specific firmware versions. This flaw allows an unauthenticated remote attacker to execute arbitrary code with root privileges, gaining complete control of the compromised system. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, leading to full confidentiality, integrity, and availability compromise. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.4.7CPE matchmatch criteria
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
< 4.9.3CPE matchmatch criteria
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.49%
Probability of exploitation in next 30 days
EPSS Percentile
90.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0449 is in the 84th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

source.sierrawireless.com / resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---cve-2018-10251
MitigationVendor Advisory