CVE-2025-9523CWE-119CWE-121

Tenda AC1206 GetParentControlInfo stack-based overflow

Critical · published August 27, 2025

CVSS v4.0
9.3
EPSS
1%
Percentile
65.4
In the wild
Unconfirmed
What it is

🚨 A remote attacker can trigger a stack-based buffer overflow in the Tenda AC1206 with a simple argument manipulation! 🔥 Think of it like a delivery truck that’s too full — when overloaded, it might spill its contents all over the road. Similarly, this overflow could result in the device spilling its secrets, leading to chaos! An attacker exploiting this vulnerability could gain control over the Tenda AC1206 router, potentially accessing sensitive information or executing arbitrary code. Imagine the shock of realizing that your internet connection has turned into a playground for hackers!

Put simply

Think of it like a delivery truck that’s too full — when overloaded, it might spill its contents all over the road. Similarly, this overflow could result in the device spilling its secrets, leading to chaos! The vulnerability exists in the GetParentControlInfo function of the /goform/GetParentControlInfo file, where improper handling of the 'mac' argument allows for a stack-based buffer overflow.

What to do

An attacker exploiting this vulnerability could gain control over the Tenda AC1206 router, potentially accessing sensitive information or executing arbitrary code. Imagine the shock of realizing that your internet connection has turned into a playground for hackers! To protect your network, immediately patch the Tenda AC1206 to the latest firmware version to resolve this critical vulnerability. Additionally, review your network security settings and consider implementing more robust firewall rules. 🛡️ You’ve got this! Keep your devices updated, and you’ll be one step ahead of potential threats! 💪✨

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.01099 · 65.4th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2025-08-27T10:32Z
EPSS history
Timeline
  • 27 AUG 10:32Z
    Tenda AC1206 GetParentControlInfo stack-based overflow
    cvelistv5