CVE-2020-25218
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication...
CVE-2020-25218 is a critical vulnerability (CVSS 9.8) in Grandstream Grp2612 Firmware, published March 29, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. No source names a fixed version.
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication Bypass in its administrative web interface.
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
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication Bypass in its administrative web interface.
- Record
CVE-2020-25218- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List No score
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication Bypass in its administrative web interface.
- Record
CVE-2020-25218- Updated
- 2026-11-02
EUVDEUVD-2020-17908 No score
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication Bypass in its administrative web interface.
- Record
EUVD-2020-17908- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9rcq-fc99-hxmq
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication...
Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allow Authentication Bypass in its administrative web interface.
- Record
GHSA-9rcq-fc99-hxmq- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287, CWE-306
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |