CVE-2021-21729
CVE-2021-21729 is a medium-severity vulnerability in Zte Zxhn H168n Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 0% (30th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-330
- Affected product: Zte Zxhn H168n Firmware
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2021-21729?
- 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
- How severe is CVE-2021-21729?
- CVE-2021-21729 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2021-21729 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-21729?
- CVE-2021-21729 primarily affects Zte Zxhn H168n Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-21729?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-21729 published?
- CVE-2021-21729 was published on 2021-04-13 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:zte:zxhn_h168n_firmware:3.5.0_eg1t5_te:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxhn_h108n_firmware:2.5.5_btmt1:*:*:*:*:*:*:*
More vulnerabilities in Zte Zxhn H168n Firmware
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