The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service.
Successful exploitation can cause the UPnP service to crash, resulting in a Denial-of-Service condition.
This vulnerability affects TL-WR841N v14 < EN_0.9.1 4.19 Build 260303 Rel.42399n (V14_260303) and < US_0.9.1.4.19 Build 260312 Rel. 49108n (V14_0304).
Attack Parameters
Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 2
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Tp-Link Tl-Wr841n_Firmware
cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*
|
— |
0.9.1_4.19
|
|
Tp-Link Tl-Wr841n
cpe:2.3:h:tp-link:tl-wr841n:14:*:*:*:*:*:*:*
|
— | — |