CVE & CISA-KEV Catalog

CVE-2021-38538

MEDIUM
6.3
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.56, R7800 before 1.0.2.68, R8900 before 1.0.4.26, R9000 before 1.0.4.26, RAX120 before 1.0.0.78, RBK20 before 2.3.5.26, RBR20 before 2.3.5.26, RBS20 before 2.3.5.26, RBK40 before 2.3.5.30, RBR40 before 2.3.5.30, RBS40 before 2.3.5.30, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, and XR500 before 2.3.2.56.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available
d7800 firmwareNVD
Affected:< 1.0.1.56Fixed in:1.0.1.56CVE-2021-38538derived from NVD
r7800 firmwareNVD
Affected:< 1.0.2.68Fixed in:1.0.2.68CVE-2021-38538derived from NVD
r8900 firmwareNVD
Affected:< 1.0.4.26Fixed in:1.0.4.26CVE-2021-38538derived from NVD
r9000 firmwareNVD
Affected:< 1.0.4.26Fixed in:1.0.4.26CVE-2021-38538derived from NVD
rax120 firmwareNVD
Affected:< 1.0.0.78Fixed in:1.0.0.78CVE-2021-38538derived from NVD
rbk20 firmwareNVD
Affected:< 2.3.5.26Fixed in:2.3.5.26CVE-2021-38538derived from NVD
rbk40 firmwareNVD
Affected:< 2.3.5.30Fixed in:2.3.5.30CVE-2021-38538derived from NVD
rbk50 firmwareNVD
Affected:< 2.3.5.30Fixed in:2.3.5.30CVE-2021-38538derived from NVD
rbr20 firmwareNVD
Affected:< 2.3.5.26Fixed in:2.3.5.26CVE-2021-38538derived from NVD
rbr40 firmwareNVD
Affected:< 2.3.5.30Fixed in:2.3.5.30CVE-2021-38538derived from NVD
rbr50 firmwareNVD
Affected:< 2.3.5.30Fixed in:2.3.5.30CVE-2021-38538derived from NVD
rbs20 firmwareNVD
Affected:< 2.3.5.26Fixed in:2.3.5.26CVE-2021-38538derived from NVD
rbs40 firmwareNVD
Affected:< 2.3.5.30Fixed in:2.3.5.30CVE-2021-38538derived from NVD
rbs50 firmwareNVD
Affected:< 2.3.5.30Fixed in:2.3.5.30CVE-2021-38538derived from NVD
xr500 firmwareNVD
Affected:< 2.3.2.56Fixed in:2.3.2.56CVE-2021-38538derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityNone

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

0.40%probability of exploitation in 30 days
32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-11022Medium6.999%-Fix
CVE-2019-3929Critical9.899%KEVFix
CVE-2020-9496Medium6.199%--
CVE-2023-28341Medium6.199%-Fix
CVE-2018-12998Medium6.198%--
CVE-2025-4123High7.698%-Fix
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CVE-2021-38538 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.