CVE-2026-34473: n/a
CVE-2026-34473 is a high-severity denial-of-service vulnerability affecting multiple ZTE router models. It is triggered by sending an oversized application/x-www-form-urlencoded POST request to the router's web management interface, causing the device to become unresponsive until reboot. The vulnerability affects firmware versions prior to 2022. The vendor states that devices have not been vulnerable since March 23, 2021, although operator firmware may vary. This issue impacts availability but does not affect confidentiality or integrity. No official patch or remediation guidance is currently available.
AI Analysis
Technical Summary
CVE-2026-34473 is an unauthenticated denial-of-service vulnerability in multiple ZTE router models. The vulnerability occurs when an attacker sends an oversized application/x-www-form-urlencoded POST request to the router's web management interface, leading to the device becoming unresponsive until it is rebooted. This affects firmware versions prior to 2022. The vendor indicates that devices have not been vulnerable since March 23, 2021, but operator firmware may differ. There is no official patch or remediation guidance provided at this time. The vulnerability does not compromise confidentiality or integrity but causes service disruption.
Potential Impact
The vulnerability results in a denial-of-service condition causing affected ZTE routers to become unresponsive until rebooted. It does not impact confidentiality or integrity of data. The disruption affects availability of the router's management interface and potentially network services relying on the device.
Mitigation Recommendations
No official patch or remediation guidance is currently provided by the vendor. The vendor states that devices have not been vulnerable since March 23, 2021, but operator firmware may vary. Users should verify firmware versions and consult their device operator or vendor for updated firmware status. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-34473: n/a
Description
CVE-2026-34473 is a high-severity denial-of-service vulnerability affecting multiple ZTE router models. It is triggered by sending an oversized application/x-www-form-urlencoded POST request to the router's web management interface, causing the device to become unresponsive until reboot. The vulnerability affects firmware versions prior to 2022. The vendor states that devices have not been vulnerable since March 23, 2021, although operator firmware may vary. This issue impacts availability but does not affect confidentiality or integrity. No official patch or remediation guidance is currently available.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34473 is an unauthenticated denial-of-service vulnerability in multiple ZTE router models. The vulnerability occurs when an attacker sends an oversized application/x-www-form-urlencoded POST request to the router's web management interface, leading to the device becoming unresponsive until it is rebooted. This affects firmware versions prior to 2022. The vendor indicates that devices have not been vulnerable since March 23, 2021, but operator firmware may differ. There is no official patch or remediation guidance provided at this time. The vulnerability does not compromise confidentiality or integrity but causes service disruption.
Potential Impact
The vulnerability results in a denial-of-service condition causing affected ZTE routers to become unresponsive until rebooted. It does not impact confidentiality or integrity of data. The disruption affects availability of the router's management interface and potentially network services relying on the device.
Mitigation Recommendations
No official patch or remediation guidance is currently provided by the vendor. The vendor states that devices have not been vulnerable since March 23, 2021, but operator firmware may vary. Users should verify firmware versions and consult their device operator or vendor for updated firmware status. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-03-27T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fb9131cbff5d86102f43a7
Added to database: 05/06/2026, 19:06:25 UTC
Last enriched: 06/16/2026, 09:25:35 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 103
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