CVE-2018-20391
TEKNOTEL CBW700N 81.447.392110.729.024 devices allow remote attackers to discover credentials via...
TEKNOTEL CBW700N 81.447.392110.729.024 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
TEKNOTEL CBW700N 81.447.392110.729.024 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
- Record
CVE-2018-20391- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
CVE List No score
TEKNOTEL CBW700N 81.447.392110.729.024 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
- Record
CVE-2018-20391- Updated
- 2026-11-02
EUVDEUVD-2018-12949 No score
TEKNOTEL CBW700N 81.447.392110.729.024 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
- Record
EUVD-2018-12949- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-78x5-r7gq-35h4
9.8
TEKNOTEL CBW700N 81.447.392110.729.024 devices allow remote attackers to discover credentials via...
TEKNOTEL CBW700N 81.447.392110.729.024 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
- Record
GHSA-78x5-r7gq-35h4- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-522
- 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-2018-20391 is a critical vulnerability (CVSS 9.8) in Teknotel Cbw700n Firmware, published December 23, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.51%, the 74th percentile. No source names a fixed version.