ASUS RT-AX88U - Stored XSS

published 2022-04-22 4y ago modified 2026-06-17 4mo ago also EUVD-2022-31223

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

ASUS RT-AX88U has insufficient filtering for special characters in the HTTP header parameter. A remote attacker with general user privilege can exploit this vulnerability to inject JavaScript and perform Stored Cross-Site Scripting (XSS) attacks.

Patch / fix

fixed in 1

ASUS RT-AX88U 3.0.0.4.386.4606

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Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

ASUS RT-AX88U

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

twcert.org.tw /tw/cp-132-6042-6cc0f-1.html
third-party-advisory, vdb-entry

Sources

CVE List CVE-2022-26673
NVD CVE-2022-26673

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