Strix
26.1K

CVE-2023-40038

HIGHCVSS 8.8/10EPSS 0.32%

Last modified

CVE-2023-40038 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Arris DG860A and DG1670A devices have predictable default WPA2 PSKs that could lead to unauthorized remote access. (They use the first 6 characters of the SSID and the last 6 characters of the BSSID, decrementing the last digit.). EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Arris DG860A and DG1670A devices have predictable default WPA2 PSKs that could lead to unauthorized remote access. (They use the first 6 characters of the SSID and the last 6 characters of the BSSID, decrementing the last digit.)

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.32%

23.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ArrisDg860a FirmwareAll versions
ArrisDg1670a Firmwarets0901203b6_020420_16xx.gw_pc20_tw

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-40038?
Arris DG860A and DG1670A devices have predictable default WPA2 PSKs that could lead to unauthorized remote access. (They use the first 6 characters of the SSID and the last 6 characters of the BSSID, decrementing the last digit.)
How severe is CVE-2023-40038?
CVE-2023-40038 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2023-40038?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40038?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST