Auth bypass in ZTE Zxdu68 S202 V5.0

CVE-2026-49003

Attackers can exploit command injection vulnerabilities to delete core system runtime files, causing the monitoring module to crash and become paralyzed; simultaneously, they can obtain root privileges to steal configuration passwords such as SNMP, thereby tampering with critical system parameters and triggering abnormal operation of the entire power system.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-49003: rose from 0.008 to 0.024.

EPSS over last 30 days · oldest: 0.008 · newest: 0.024 · change: +0.016

Affected products

  • ZTE Zxdu68 S202 V5.0 — versions ZXDU68 S202 V5.0R02M02 ACB V1.30.01.00 、ZXDU68 S202 V5.0R02M02 ACB V1.30.01.01、ZXDU68 S202 V5.0R02M02 ACB V1.30.01.02、ZXDU68 S202 V5.0R02M02 ACB V1.30.01.03

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49003?
CVE-2026-49003 is a critical-severity vulnerability in ZTE Zxdu68 S202 V5.0, classified under Improper Authentication. CVSS score: 9.6/10. Published 2026-08-31.
How severe is CVE-2026-49003?
Critical severity. CVSS v3 base score is 9.6 out of 10.