CVE-2020-10886 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-2020-3292
- cvss
- 8.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.0%
- EPSS 5.0% chance of exploitation in 30 days, percentile 92%
- 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 tmpServer service, which listens on TCP port 20002. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9662.
Exploit prediction
4.95% chance of exploitation in the next 30 days, higher than 92% 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-78 Improper Neutralization of Special Elements used in an OS Command
References
-
zerodayinitiative.com
/advisories/ZDI-20-339/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-10886
- NVD CVE-2020-10886
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