CVE-2023-4467: Poly Trio 8800 Test Automation Mode backdoor

Severity: medium (CVSS 6.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-29 · updated 2026-06-17
Weakness: CWE-912

Description

A vulnerability was found in Poly Trio 8800 7.2.6.0019 and classified as critical. Affected by this issue is some unknown functionality of the component Test Automation Mode. The manipulation leads to backdoor. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249260.

Affected products

Poly Trio 8800: 7.2.6.0019

References

https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.html
https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
https://modzero.com/en/advisories/mz-23-01-poly-voip/
https://vuldb.com/?ctiid.249260
https://vuldb.com/?id.249260
https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.html
https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
https://modzero.com/en/advisories/mz-23-01-poly-voip/
https://vuldb.com/?ctiid.249260
https://vuldb.com/?id.249260

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