CVE-2023-40842

Tengda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "R7WebsSecurityHandler."

published August 30, 2023

CVSS
—
EPSS
1%
Percentile
51.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow in the Tengda AC6 could have unintended consequences! All it takes is a crafty input to trigger this vulnerability through the "R7WebsSecurityHandler." Think of it like a delivery truck overflowing with packages — if it’s overloaded, it can spill dangerous items onto the road, causing chaos! Here, an excess of data can lead to unexpected behaviors in the system. An attacker could exploit this overflow to manipulate the device’s memory, potentially leading to unauthorized access or crashes. While no known exploits are out there yet, the potential for danger is absolutely real.

Put simply

Think of it like a delivery truck overflowing with packages — if it’s overloaded, it can spill dangerous items onto the road, causing chaos! Here, an excess of data can lead to unexpected behaviors in the system. This vulnerability allows a buffer overflow via improper handling of inputs in the "R7WebsSecurityHandler" function, which could disrupt normal operations and create instability in the system.

What to do

An attacker could exploit this overflow to manipulate the device’s memory, potentially leading to unauthorized access or crashes. While no known exploits are out there yet, the potential for danger is absolutely real. To mitigate this risk, patch the device firmware to the latest version as soon as it's available. Additionally, reviewing and filtering incoming data can help prevent potential buffer overflows from impacting the device. You've got this! Stay vigilant and take these steps to secure your system! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00682 · 51.9th percentile
Published
2023-08-30T00:00Z
EPSS history
Timeline
  • 30 AUG 00:00Z
    Tengda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "R7WebsSecurityHandler."
    cvelistv5