CVE-2025-2621CWE-119CWE-121

D-Link DAP-1620 storage check_dws_cookie stack-based overflow

Critical · published March 22, 2025

CVSS v4.0
9.3
EPSS
2%
Percentile
81.8
In the wild
Unconfirmed
What it is

🚨 A remote stack-based buffer overflow in D-Link's DAP-1620 could turn your network into a playground for attackers! 🔥 This vulnerability is like a delivery driver leaving your front door wide open, allowing anyone to just waltz in and take whatever they want. With the right nudge, an attacker could disrupt everything, just by manipulating a seemingly innocent cookie value! If exploited, this vulnerability could give an attacker complete control over your device, allowing them to execute malicious code remotely. With your network at their mercy, they could steal sensitive information, modify settings, or even disable your device entirely—talk about a nightmare scenario!

Put simply

This vulnerability is like a delivery driver leaving your front door wide open, allowing anyone to just waltz in and take whatever they want. With the right nudge, an attacker could disrupt everything, just by manipulating a seemingly innocent cookie value! The issue lies in the function check_dws_cookie within the /storage file, where manipulation of the uid argument can lead to a stack-based buffer overflow, making it dangerously easy for attackers to execute arbitrary code.

What to do

If exploited, this vulnerability could give an attacker complete control over your device, allowing them to execute malicious code remotely. With your network at their mercy, they could steal sensitive information, modify settings, or even disable your device entirely—talk about a nightmare scenario! Immediate action is crucial! If you're still using the DAP-1620 version 1.03, consider replacing it with a supported model. If that's not an option, implement strict network segmentation and monitor traffic for unusual activity. Stay vigilant! You've got this! By taking these steps, you can protect your network from this sneaky vulnerability. 🛡️

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
EPSS
0.02134 · 81.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2025-03-22T16:31Z
EPSS history
Timeline
  • 22 MAR 16:31Z
    D-Link DAP-1620 storage check_dws_cookie stack-based overflow
    cvelistv5