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Vulnerability record · CVE-2021-35336 · published 1 July 2021

CVE-2021-35336: Tieline ip audtio gateway firmware insecure default initialization vulnerability

Tieline · Ip Audtio Gateway Firmware

Tieline IP Audio Gateway 2.6.4.8 and below is affected by Incorrect Access Control. A vulnerability in the Tieline Web Administrative Interface could allow an unauthenticated user to access a sensitive part of the system with a high privileged account.

9.8 CVSS 3.1 Critical EPSS 10% · top 4.5% CWE-1188 · Insecure default initialization
9.8CVSS 3.1 base score, v2 7.5
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Tieline IP Audio Gateway 2.6.4.8 and below is affected by Incorrect Access Control. A vulnerability in the Tieline Web Administrative Interface could allow an unauthenticated user to access a sensitive part of the system with a high privileged account.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://pratikkhalane91.medium.com/use-of-default-credentials-to-unauthorised-remote-access-of-internal-panel-of-tieline ExploitThird Party Advisory
https://pratikkhalane91.medium.com/use-of-default-credentials-to-unauthorised-remote-access-of-internal-panel-of-tieline ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-35336), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.