CVE-2026-34473

Published May 6, 2026 CVSS 3.1 · 7.5 High EPSS 2.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated Denial-of-Service via Oversized POST to ZTE Router Web Interface
Type Values Removed Values Added
First Time appeared Zte
Zte h167a
Zte h168n
Zte h181a
Zte h196a
Zte h196q
Zte h198a
Zte h199a
Zte h208n
Zte h267a
Zte h267n
Zte h268a
Zte h268n
Zte h288a
Zte h367n
Zte h369a
Zte h388x
Zte h8102e
Vendors & Products Zte
Zte h167a
Zte h168n
Zte h181a
Zte h196a
Zte h196q
Zte h198a
Zte h199a
Zte h208n
Zte h267a
Zte h267n
Zte h268a
Zte h268n
Zte h288a
Zte h367n
Zte h369a
Zte h388x
Zte h8102e
Type Values Removed Values Added
Title Unauthenticated Denial-of-Service via Oversized POST to ZTE Router Web Interface
Type Values Removed Values Added
Title DoS Vulnerability in ZTE Router Web Interface via Oversized POST Payload
Weaknesses CWE-119
CWE-770
Type Values Removed Values Added
Title DoS Vulnerability in ZTE Router Web Interface via Oversized POST Payload
Weaknesses CWE-119
CWE-770
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References