Vulnerability Details : CVE-2020-10885
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. The issue results from the lack of proper validation of DNS reponses prior to further processing. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the root user. Was ZDI-CAN-9661.
Vulnerability category: Input validationExecute code
Products affected by CVE-2020-10885
- cpe:2.3:o:tp-link:ac1750_firmware:190726:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-10885
21.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-10885
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
Zero Day Initiative | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-10885
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2020-10885
-
https://www.zerodayinitiative.com/advisories/ZDI-20-337/
ZDI-20-337 | Zero Day InitiativeThird Party Advisory;VDB Entry
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