CVE-2022-39070

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-22 · updated 2026-06-17
Weakness: CWE-284

Description

There is an access control vulnerability in some ZTE PON OLT products. Due to improper access control settings, remote attackers could use the vulnerability to log in to the device and execute any operation.

Affected products

ZXA10 C300M: from 2.1.0 before 2.1.0xgp002.4 — fixed in 2.1.0xgp002.4
ZTE Zxa10 C350M Firmware: from 2.1.0 before 2.1.0xgp002.4 — fixed in 2.1.0xgp002.4

How to fix

Upgrade to a fixed version: ZXA10 C300M 2.1.0xgp002.4; ZTE Zxa10 C350M Firmware 2.1.0xgp002.4. Check the vendor advisory for mitigations.

References

https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1027824
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1027824

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