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Vulnerability record · CVE-2021-21729 · published 13 April 2021

CVE-2021-21729: Zte zxhn h168n firmware cross-site request forgery vulnerability

Zte · Zxhn H168n Firmware

Some ZTE products have CSRF vulnerability. Because some pages lack CSRF random value verification, attackers could perform illegal authorization operations by constructing messages.This affects: ZXHN H168N V3.5.0_EG1T5_TE, V2.5.5, ZXHN H108N V2.5.5_BTMT1

6.5 CVSS 3.1 Medium EPSS 0.38% · top 70.8% CWE-330 · CWE-330CWE-352 · Cross-site request forgery
6.5CVSS 3.1 base score, v2 4.3
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Some ZTE products have CSRF vulnerability. Because some pages lack CSRF random value verification, attackers could perform illegal authorization operations by constructing messages.This affects: ZXHN H168N V3.5.0_EG1T5_TE, V2.5.5, ZXHN H108N V2.5.5_BTMT1

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904 Vendor Advisory
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-21730Zte zxhn h168n firmware vulnerabilityA ZTE product is impacted by improper access control vulnerability. The attacker could exploit this vulnerability to access CLI by brute force attack…EPSS 1.0%8.8CVE-2018-7357ZTE ZXHN H168N router missing authentication for critical functionZTE ZXHN H168N firmware versions V2.2.0_PK1.2T5, V2.2.0_PK1.2T2, V2.2.0_PK11T7 and V2.2.0_PK11T expose a critical function without authentication (CW…EPSS 88%analysed8.8CVE-2018-7358ZTE ZXHN H168N router improper authentication allows unauthorized operationsZTE ZXHN H168N firmware versions V2.2.0_PK1.2T5, V2.2.0_PK1.2T2, V2.2.0_PK11T7 and V2.2.0_PK11T contain an improper change control flaw mapped to CWE…EPSS 90%analysed7.5CVE-2015-7255Zte ox-330p firmware information exposure vulnerabilityZTE OX-330P, ZXHN H108N, W300V1.0.0S_ZRD_TR1_D68, HG110, GAN9.8T101A-B, MF28G, ZXHN H108N use non-unique X.509 certificates and SSH host keys, which …EPSS 2.0%6.5CVE-2021-21735Zte zxhn h168n firmware vulnerabilityA ZTE product has an information leak vulnerability. Due to improper permission settings, an attacker with ordinary user permissions could exploit th…EPSS 0.93%6.5CVE-2019-3420Zte zxhn h108n firmware vulnerabilityAll versions up to V2.5.0_EG1T5_TED of ZTE ZXHN H108N product are impacted by an information leak vulnerability. An attacker could exploit the vulner…EPSS 0.73%

Source: NIST National Vulnerability Database (record CVE-2021-21729), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.