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CVE-2023-43477

28
FAUCET Score

CVE-2023-43477 describes a command injection vulnerability in the Telstra Smart Modem Gen 2 (Arcadyan LH1000) firmware versions prior to 0.18.15r. An authenticated attacker can exploit improper sanitization of the ping_from parameter in the ping_tracerte.cgi web UI to execute arbitrary commands as root. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk with high impact on confidentiality, integrity, and availability, and can be exploited over the network with low complexity. While the EPSS score suggests a higher-than-average exploitability probability, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.18.15rCPE matchmatch criteria
cpe:2.3:o:telstra:arcadyan_lh1000_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
15.75%
Probability of exploitation in next 30 days
EPSS Percentile
96.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1575 is in the 96th percentile among its peer group of 17,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

tenable.com / security/research/tra-2023-19
ExploitThird Party Advisory