CVE-2021-27702
Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the...
Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the diagnostic utility in the router dashboard.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the diagnostic utility in the router dashboard.
- Record
CVE-2021-27702- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2021-14444
Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the diagnostic utility in the router dashboard.
- Record
EUVD-2021-14444- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-72v3-rgjm-mj6f
Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the...
Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the diagnostic utility in the router dashboard.
- Record
GHSA-72v3-rgjm-mj6f- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
Sercomm Router Etisalat Model S3- AC2100 is affected by Incorrect Access Control via the diagnostic utility in the router dashboard.
- Record
CVE-2021-27702- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-77
- 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-2021-27702 is a high vulnerability (CVSS 7.3) in Sercomm S3-ac2100 Firmware, published November 12, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.