CVE-2023-43477 json
Post-Auth Command Injection in Telstra Smart Modem Gen 2 (Arcadyan LH1000)
published 2023-09-20 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47892
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 17.7%
- EPSS 17.7% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
The ping_from parameter of ping_tracerte.cgi in the web UI of Telstra Smart Modem Gen 2 (Arcadyan LH1000), firmware versions < 0.18.15r, was not properly sanitized before being used in a system call, which could allow an authenticated attacker to achieve command injection as root on the device.
Patch / fix
- Telstra Smart Modem Gen 2 (Arcadyan LH1000) 0.18.15r
- telstra arcadyan_lh1000 0.18.15r
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
17.67% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- tenable.com https://www.tenable.com/security/research/tra-2023-19 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Telstra Smart Modem Gen 2 (Arcadyan LH1000)
- telstra arcadyan_lh1000
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
-
tenable.com
/security/research/tra-2023-19
exploit, third-party-advisory
Sources
- CVE List CVE-2023-43477
- NVD CVE-2023-43477
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