CVE-2018-17021
CVE-2018-17021 is a medium-severity vulnerability in Asus Gt-ac5300 Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Asus Gt-ac5300 Firmware
- Published:
- Last modified:
Description
Cross-site scripting (XSS) vulnerability on ASUS GT-AC5300 devices with firmware through 3.0.0.4.384_32738 allows remote attackers to inject arbitrary web script or HTML via the appGet.cgi hook parameter.
Frequently asked questions
- What is CVE-2018-17021?
- Cross-site scripting (XSS) vulnerability on ASUS GT-AC5300 devices with firmware through 3.0.0.4.384_32738 allows remote attackers to inject arbitrary web script or HTML via the appGet.cgi hook parameter.
- How severe is CVE-2018-17021?
- CVE-2018-17021 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2018-17021 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-17021?
- CVE-2018-17021 affects Asus Gt-ac5300 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-17021?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-17021 published?
- CVE-2018-17021 was published on 2018-09-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:asus:gt-ac5300_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Asus Gt-ac5300 Firmware
- CVE-2018-17023 — High (CVSS 8.8): Cross-site request forgery (CSRF) vulnerability on ASUS GT-AC5300 routers with firmware through 3.0.0.4.384_32738…
- CVE-2018-17127 — High (CVSS 7.5): blocking_request.cgi on ASUS GT-AC5300 devices through 3.0.0.4.384_32738 allows remote attackers to cause a denial of…
- CVE-2018-17020 — High (CVSS 7.5): ASUS GT-AC5300 devices with firmware through 3.0.0.4.384_32738 allow remote attackers to cause a denial of service via…
- CVE-2018-17022 — High (CVSS 7.2): Stack-based buffer overflow on the ASUS GT-AC5300 router through 3.0.0.4.384_32738 allows remote attackers to cause a…
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