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VulnerabilityPublished Updated

CVE-2026-34473: Uncontrolled Resource Consumption

Source CVE Database V5

0

Public exploit available (Exploit-DB) · CVSS 7.5 High.

Data as of 26 Oct 2026, 13:47 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.3% chance of exploitation in 30 days – higher than 83% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 6 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  4. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by MITRE Corporation

    , 40 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , the same day as disclosure

  4. First Exploit-DB entry (opens in a new tab)

    ZTE Routers - Unauthenticated Denial of Service

    , 23 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

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.

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.

References

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