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ExploitedNot in CISA KEV yetFix available

CVE-2019-18371

Exploitation confirmed. First attested on 2025-01-02 by GCVE · kevintel, GCVE · shadowserver.

  • Published2019-10-23
  • Fixed in2.28.23
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. There is a directory traversal vulnerability to read arbitrary files via a misconfigured NGINX alias, as demonstrated by api-third-party/download/extdisks../etc/config/account. With this vulnerability, the attacker can bypass authentication.

Timeline

dates in UTC
  1. 2019-10-2321:15CVE publishedNVD
  2. 2025-01-0217:03Listed as exploited by GCVEGCVE
  3. 2025-01-0217:03Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-18371?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-18371?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Mi millet router 3g firmwareversion to verify
BranchAffectedFixed in
2.28< 2.28.232.28.23

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Mi millet router 3g firmware to 2.28.23

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
2 repositories, unverifiedUltramanGaia/Xiaomi_Mi_WiFi_R3G_Vulnerability_POCAjayMT6/UltramanGaia
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2019-10-23
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2019-18371?

An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. There is a directory traversal vulnerability to read arbitrary files via a misconfigured NGINX alias, as demonstrated by api-third-party/download/extdisks../etc/config/account. With this vulnerability, the attacker can bypass authentication.

Is CVE-2019-18371 actively exploited?

Active exploitation of CVE-2019-18371 has not been confirmed. Its EPSS score was 55.9% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18371?

CVE-2019-18371 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record