Cisco has published a security advisory to address vulnerabilities affecting the following products on the 8h of December 2022. It is recommended that you take the necessary precautions to ensure your products are always protected.
IP Phone 7800 Series version 14.2 and prior
IP Phone 8800 Series version 14.2 and prior
For more information on these updates, you can follow this URL:
https://tools.cisco.com/security/center/publicationListing.x
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Cisco Security Advisory.pdf
References
Cisco Security Advisories. (8th of December 2022). Reviewed from Cisco:
https://tools.cisco.com/security/center/publicationListing.x
Cisco security advisory (AV22-688). (8th of December 2022). Reviewed from Canadian Centre for Cyber Security:
https://cyber.gc.ca/en/alerts-advisories/cisco-security-advisory-av22-688