Skip to content
Emerging threatsHigh

CVE-2020-10882Archer A7 OS Command Injection

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers.

Published Mar 25, 2020 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2020-10882 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Ac1750 Firmware (Tp-Link), Archer A7.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 41% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

8.8

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

41%

Higher than 98.6% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

56/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

3

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Advisories And Exploit References

Description

This vulnerability allows network-adjacent 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 tdpServer service, which listens on UDP port 20002 by default.

When parsing the slave_mac parameter, the process does not properly validate 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 root user. Was ZDI-CAN-9650.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Ac1750 FirmwareTp-Link190726n/a
Archer A7>= Firmware Ver: 190726n/a

Timeline

  1. Publicly disclosed

    Mar 25, 2020

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

FAQ

Common Questions.

Is CVE-2020-10882 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

Request A Demo

Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.