CVE-2021-47880

HIGH

Realtek Wireless LAN Utility 700.1631 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47880. PoCs published by Luis Martínez.

AI-analyzed exploit summary This is a writeup describing an unquoted service path vulnerability in Realtek Wireless LAN Utility 700.1631. The vulnerability allows local privilege escalation if an attacker can place an executable in a path that is executed due to the unquoted service path.

Description

Realtek Wireless LAN Utility 700.1631 contains an unquoted service path vulnerability that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted service path by inserting malicious code in the system root path that would execute during application startup or system reboot.

Exploits (1)

exploitdb WRITEUP
by Luis Martínez · textlocalwindows
https://www.exploit-db.com/exploits/49646

This is a writeup describing an unquoted service path vulnerability in Realtek Wireless LAN Utility 700.1631. The vulnerability allows local privilege escalation if an attacker can place an executable in a path that is executed due to the unquoted service path.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Theoretical
Target: Realtek Wireless LAN Utility 700.1631
Auth required
Prerequisites: Local access to the system · Ability to write to a directory in the unquoted path
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/49646
Various Sources product
https://www.realtek.com/en/

Scores

CVSS v3 7.8
EPSS 0.0013
EPSS Percentile 2.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-428
Status published
Products (1)
Realtek Semiconductor Corp./Realtek Wireless LAN Utility 700.1631
Published Jan 21, 2026
Tracked Since Feb 18, 2026