9.3
CVE-2021-27245
- EPSS 4.21%
- Veröffentlicht 29.03.2021 21:15:12
- Zuletzt bearbeitet 21.11.2024 05:57:40
- Quelle zdi-disclosures@trendmicro.com
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This vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 prior to Archer C7(US)_V5_210125 and Archer A7(US)_V5_200220 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of IPv6 connections. The issue results from the lack of proper filtering of IPv6 SSH connections. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-12309.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tp-link ≫ Archer A7 Firmware Version < c7\(us\)_v5_210125
Tp-link ≫ Archer A7 Firmware Version < a7\(us\)_v5_200220
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 4.21% | 0.876 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 8.1 | 2.2 | 5.9 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 9.3 | 8.6 | 10 |
AV:N/AC:M/Au:N/C:C/I:C/A:C
|
| zdi-disclosures@trendmicro.com | 8.1 | 2.2 | 5.9 |
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
|
CWE-693 Protection Mechanism Failure
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.