RCE in TP-Link Ac1750

CVE-2020-10886

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.050 (91.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-10886: fell from 0.056 to 0.050.

EPSS over last 30 days · oldest: 0.056 · newest: 0.050 · change: -0.007

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-10886?
CVE-2020-10886 is a critical-severity vulnerability in TP-Link Ac1750, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-03-25.
How severe is CVE-2020-10886?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-10886 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.