CVE-2020-10885 json
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC…
published 2020-03-25 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3291
- cvss
- 8.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.5%
- EPSS 6.5% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
6.53% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- TP-Link Archer A7
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
zerodayinitiative.com
/advisories/ZDI-20-337/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-10885
- NVD CVE-2020-10885
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