VulnerabilityModified

CVE-2021-21729

Some ZTE products have CSRF vulnerability.

MEDIUM 6.5EPSS 0.38%

Does this matter?

Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.

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: 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS: 0.38% probability · 32th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-330, CWE-352
Affected: zte/zxhn h168n firmware · zte/zxhn h108n firmware
Source: psirt@zte.com.cn

EPSS trend

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.