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Vulnerability record · CVE-2026-34473 · published 6 May 2026

CVE-2026-34473: Uncontrolled resource consumption vulnerability

Unauthenticated DoS in ZTE H8102E, H168N, H167A, H199A, H288A, H198A, H267A, H267N, H268A, H388X, H196A, H369A, H268N, H208N, H367N, H181A, and H196Q. A denial-of-service condition can be triggered against the router's web interface by sending an oversized application/x-www-form-urlencoded POST body. After triggering, the management interface may become unresponsive until the device is rebooted. This may affect any firmware version prior to 2022 (reporter observation). The supplier stated that devices are not vulnerable since 2021-03-23; operator firmware may vary.

7.5 CVSS 3.1 High EPSS 1.9% · top 21.5% CWE-400 · Uncontrolled resource consumption Awaiting Analysis
7.5CVSS 3.1 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Unauthenticated DoS in ZTE H8102E, H168N, H167A, H199A, H288A, H198A, H267A, H267N, H268A, H388X, H196A, H369A, H268N, H208N, H367N, H181A, and H196Q. A denial-of-service condition can be triggered against the router's web interface by sending an oversized application/x-www-form-urlencoded POST body. After triggering, the management interface may become unresponsive until the device is rebooted. This may affect any firmware version prior to 2022 (reporter observation). The supplier stated that devices are not vulnerable since 2021-03-23; operator firmware may vary.

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

References

LinkTags
https://gist.github.com/minanagehsalalma/7a8516b9b00d0008f2f25750320560c9
https://www.zte.com.cn/global/
http://seclists.org/fulldisclosure/2026/May/18

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Source: NIST National Vulnerability Database (record CVE-2026-34473), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.