CVE-2017-6547

MEDIUM

ASUS RT-AC53 Firmware - Cross-Site Scripting via Long Filename Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-6547. PoCs published by Bruno Bierbaumer.

AI-analyzed exploit summary This exploit demonstrates a Cross-Site Scripting (XSS) vulnerability in the httpd component of ASUS routers. The vulnerability arises from improper handling of long filenames, allowing arbitrary JavaScript injection via a crafted URL.

Description

Cross-site scripting (XSS) vulnerability in httpd on ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P, RT-N12+, RT-N12E B1, RT-AC3200, RT-AC53U, RT-AC1750, RT-AC1900P, RT-N300, and RT-AC750 routers with firmware before 3.0.0.4.380.7378; RT-AC68W routers with firmware before 3.0.0.4.380.7266; and RT-N600, RT-N12+ B1, RT-N11P B1, RT-N12VP B1, RT-N12E C1, RT-N300 B1, and RT-N12+ Pro routers with firmware before 3.0.0.4.380.9488 allows remote attackers to inject arbitrary JavaScript by requesting filenames longer than 50 characters.

Exploits (1)

exploitdb WORKING POC
by Bruno Bierbaumer · textwebappshardware
https://www.exploit-db.com/exploits/41571

This exploit demonstrates a Cross-Site Scripting (XSS) vulnerability in the httpd component of ASUS routers. The vulnerability arises from improper handling of long filenames, allowing arbitrary JavaScript injection via a crafted URL.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: ASUS httpd (specific version not specified)
No auth needed
Prerequisites: Network access to the vulnerable router
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/41571/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/96938
Exploit, Third Party Advisory x_refsource_misc
https://bierbaumer.net/security/asuswrt/#cross-site-scripting-xss

Scores

CVSS v3 6.1
EPSS 0.0170
EPSS Percentile 74.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
asus/rt-ac53_firmware 3.0.0.4.380.6038
Published Mar 09, 2017
Tracked Since Feb 18, 2026