CVE-2026-34473: Uncontrolled Resource Consumption
Source CVE Database V5
Public exploit available (Exploit-DB) · CVSS 7.5 High.
Data as of 26 Oct 2026, 13:47 UTC
- 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:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 6 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by MITRE Corporation
, 40 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, the same day as disclosure
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.