Stack-based Buffer Overflow in Netis WF2411 and Other Devices
CVE-2019-8985

9.8CRITICAL

Key Information:

Vendor
CVE Published:
21 February 2019

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 71%

What is CVE-2019-8985?

A stack-based buffer overflow vulnerability has been identified in the Netis WF2411 and other models within the WF2xxx series. This issue arises from improper handling of long HTTP Basic Authorization headers. When such a malicious request is processed, it could result in a denial of service, wherein the device may restart unexpectedly, or worse, allow an attacker to execute arbitrary code remotely. This vulnerability does not require authentication, significantly heightening the risk to users and organizations utilizing affected devices.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

EPSS Score

71% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.