CVE-2023-43477
CVE-2023-43477 is a medium-severity vulnerability in Telstra Arcadyan Lh1000 Firmware with a CVSS 3.x base score of 6.8. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- EPSS exploit prediction: 16% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Telstra Arcadyan Lh1000 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-43477?
- 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.
- How severe is CVE-2023-43477?
- CVE-2023-43477 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-43477 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-43477?
- CVE-2023-43477 affects Telstra Arcadyan Lh1000 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-43477?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-43477 published?
- CVE-2023-43477 was published on 2023-09-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:telstra:arcadyan_lh1000_firmware:*:*:*:*:*:*:*:*
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- CVE-2023-43478 — High (CVSS 8.8): fake_upload.cgi on the Telstra Smart Modem Gen 2 (Arcadyan LH1000), firmware versions < 0.18.15r, allows…
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