Medium severity6.8NVD Advisory· Published May 13, 2022· Updated Jun 17, 2026
CVE-2022-29854
CVE-2022-29854
Description
A vulnerability in Mitel 6900 Series IP (MiNet) phones excluding 6970, versions 1.8 (1.8.0.12) and earlier, could allow a unauthenticated attacker with physical access to the phone to gain root access due to insufficient access control for test functionality during system startup. A successful exploit could allow access to sensitive information and code execution.
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Affected products
3- Mitel/6900 Series IP (MiNet) phonesdescription
- Range: <=1.8.0.12
Patches
Vulnerability mechanics
References
5- packetstormsecurity.com/files/167547/Mitel-6800-6900-Series-SIP-Phones-Backdoor-Access.htmlnvdExploitThird Party AdvisoryVDB Entry
- seclists.org/fulldisclosure/2022/Jun/32nvdExploitMailing ListThird Party Advisory
- www.mitel.com/support/security-advisoriesnvdVendor Advisory
- www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0003nvdVendor Advisory
- www.syss.de/pentest-blog/undocumented-functionality-backdoor-in-mitel-desk-phones-syss-2022-021nvdThird Party Advisory
News mentions
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