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TI-2022-05325 Aliases CVE-2022-20766GHSA-7q63-79xq-2jj4

Cisco ATA 190 Series Analog Telephone Adapter firmware Cisco Discovery Protocol Denial of Service Vulnerability

Priority LOW 32CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to an out-of-bounds read when processing Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a service restart.Cisco has released firmware updates that address this vulnerability. There are no workarounds that address this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00859 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Analog Telephone Adaptor (ATA) Software2.16(1); 2.16(2); 2.1(6); 2.14; 3.2(0); 1.1(4); 2.1(5); 3.2(1); 2.15; 1.0(0); 1.34; 3.1(1); 3.2(4); 3.0(0); 3.2(3); 3.1(0); 3.1(2); 1.2.1; 1.2.2; 1.2.2 SR1; 1.1.2; 1.1.0; 1.1.1; 9.0(3); 9.2(3); 9.2(1); 12.0.1 SR2; 11.1.0; 12.0.1 SR1; 11.1.0 MSR1; 12.0.1; 11.1.0 MSR2; 11.1.0 MSR3; 1.2.2 SR2; 11.1.0 MSR4; 12.0.1 SR3; 11.2.1; 12.0.1 SR4—No fix listedCNA
  • Cisco Analog Telephone Adaptor (ATA) Software VendorCisco Affected 2.16(1); 2.16(2); 2.1(6); 2.14; 3.2(0); 1.1(4); 2.1(5); 3.2(1); 2.15; 1.0(0); 1.34; 3.1(1); 3.2(4); 3.0(0); 3.2(3); 3.1(0); 3.1(2); 1.2.1; 1.2.2; 1.2.2 SR1; 1.1.2; 1.1.0; 1.1.1; 9.0(3); 9.2(3); 9.2(1); 12.0.1 SR2; 11.1.0; 12.0.1 SR1; 11.1.0 MSR1; 12.0.1; 11.1.0 MSR2; 11.1.0 MSR3; 1.2.2 SR2; 11.1.0 MSR4; 12.0.1 SR3; 11.2.1; 12.0.1 SR4 Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ata_190_firmware:*:*:*:*:*:*:*:*——Cisco
  • cpe:2.3:o:cisco:ata_190_firmware:*:*:*:*:*:*:*:* Versions — — ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-20766
  2. 2026-10-03 Alias added: GHSA-7q63-79xq-2jj4

References

Other 1

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  • TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
See all 7059 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences