peter bassill · operator
$ cve CVE-2020-10886 JSON

CVE-2020-10886

9.8
CRITICAL · CVSS 3.1 · EPSS 5% (pctl 92)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

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.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS4.95% — more likely to be exploited than 92% of all CVEs
WeaknessCWE-78
On CISA KEVno
Public exploitnone known
Published2020-03-25
Last modified2026-06-17

Affected (2)

VendorProduct
tp-linkac1750
tp-linkac1750 firmware

References

→ the Explorer  ·  watch your stack  ·  NVD