CVE-2023-43478 Unauthenticated configuration restore and firmware update
Unauthenticated attackers can upload malicious firmware or configurations to the Telstra Smart Modem, leading to root code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-43478?
CVE-2023-43478 is a high-severity vulnerability in Telstra Smart Modem Gen 2 (Arcadyan LH1000), published on 20 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
fake_upload.cgi on the Telstra Smart Modem Gen 2 (Arcadyan LH1000), firmware versions < 0.18.15r, allows unauthenticated attackers to upload firmware images and configuration backups, which could allow them to alter the firmware or the configuration on the device, ultimately leading to code execution as root.
Weakness: CWE-434
Which versions are affected by CVE-2023-43478?
It affects 1 product.
Products include Telstra Arcadyan Lh1000 Firmware.
How do I fix CVE-2023-43478?
No fix has been published for CVE-2023-43478 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-43478 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43478 exists.
Other vulnerabilities in Telstra Smart Modem Gen 2 (Arcadyan LH1000)
Sources
Also known as GHSA-x2v2-mj6c-wfp3.