CVE-2026-10187
Stack-Based Buffer Overflow in Totolink N300RH Web Interface
Publication date: 2026-05-31
Last updated on: 2026-05-31
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | n300rh | 6.1c.1353_b20190305 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Totolink N300RH router, specifically in the setWiFiBasicConfig function within the wireless.so file of its Web Management Interface.
The issue arises when the argument KeyStr is manipulated, causing a stack-based buffer overflow.
This overflow can be exploited remotely, meaning an attacker does not need physical access to the device to carry out the attack.
The exploit for this vulnerability is publicly available.
How can this vulnerability impact me? :
This vulnerability has a very high severity with CVSS v3.1 base score of 9.8, indicating critical impact.
Successful exploitation can lead to complete compromise of the affected device, including full control over confidentiality, integrity, and availability.
- Confidentiality (C): High impact - attacker can access sensitive information.
- Integrity (I): High impact - attacker can modify or corrupt data or configurations.
- Availability (A): High impact - attacker can disrupt or disable device functionality.
Because the attack can be performed remotely without authentication, it poses a significant risk to network security.