ZDI-21-215: TP-Link AC1750 sync-server Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of MAC addresses by the tdpServer endpoint. A crafted TCP message can write stack pointers to the stack. An attacker can leverage this vulnerability to execute code in the context of the root user.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link AC1750 Firmware |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-215?
ZDI-21-215 is classified as a critical vulnerability due to its potential for remote code execution without authentication.
How do I fix ZDI-21-215?
To remediate ZDI-21-215, users should update their TP-Link Archer A7 AC1750 routers to the latest firmware version provided by TP-Link.
Who is affected by ZDI-21-215?
The ZDI-21-215 vulnerability affects installations of TP-Link Archer A7 AC1750 routers that have not been patched.
What type of attack is possible with ZDI-21-215?
ZDI-21-215 allows network-adjacent attackers to execute arbitrary code on affected TP-Link routers.
Is authentication required to exploit ZDI-21-215?
No, authentication is not required to exploit the ZDI-21-215 vulnerability.
- agent/type
- agent/softwarecombine
- agent/severity
- agent/title
- agent/references
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-215
- alias/ZDI-CAN-12306
- alias/CVE-2021-27246
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/tp-link
- canonical/tp-link ac1750 firmware