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CVE-2019-3422

20
FAUCET Score

CVE-2019-3422 describes an information disclosure vulnerability in the ZTE MF910S mobile hotspot. The device's one-click upgrade tool can be reverse-engineered to obtain the Telnet remote login password. If Telnet is enabled, an attacker could remotely log in, leading to information leakage. This vulnerability has a CVSS score of 6.2 (Medium), indicating a low attack complexity and no user interaction required, with a high impact on confidentiality. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:zte:mf910s_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.2MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 90th percentile among its peer group of 3,052 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/158990/ZTE-Mobile-Hotspot-MS910S-Backdoor-Hardcoded-Password.html
seclists.org / fulldisclosure/2020/Aug/20
support.zte.com.cn / support/news/LoopholeInfoDetail.aspx
Vendor Advisory