CVE-2023-43478 — HIGH (8.8)

Q: How severe is CVE-2023-43478?

CVE-2023-43478 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-43478?

Check the references section above for vendor advisories and patch information. Affected products include: Telstra Arcadyan Lh1000 Firmware, Telstra Arcadyan Lh1000.

Vulnerability 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.

CVSS Score

8.8

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Telstra	Arcadyan Lh1000 Firmware	< 0.18.15r
Telstra	Arcadyan Lh1000	-

Related Weaknesses (CWE)

CWE-434

References

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

FAQ

What is CVE-2023-43478?

CVE-2023-43478 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 allo...

How severe is CVE-2023-43478?

CVE-2023-43478 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-43478?

Check the references section above for vendor advisories and patch information. Affected products include: Telstra Arcadyan Lh1000 Firmware, Telstra Arcadyan Lh1000.