CVE-2020-1837
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service...
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.
- Record
CVE-2020-1837- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.9 Low
AV:A/AC:M/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.
- Record
CVE-2020-1837- Updated
- 2026-11-02
EUVDEUVD-2020-12663 No score
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.
- Record
EUVD-2020-12663- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mcq4-g4c6-q4x2 No score
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service...
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.
- Record
GHSA-mcq4-g4c6-q4x2- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1837 is a medium vulnerability (CVSS 5.3) in Huawei Changxiang 8 Plus Firmware, published July 6, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.