CVE-2021-35395 on CISA KEV

Realtek Jungle SDK version v2.x up to v3.4.14B provides an HTTP web server exposing a management interface that can be used to configure the access point. Two versions of this management interface exists: one based on Go-Ahead named webs and another based on Boa named boa. Both o

01What CISA says about this vulnerability

Realtek Jungle SDK version v2.x up to v3.4.14B provides an HTTP web server exposing a management interface that can be used to configure the access point. Two versions of this management interface exists: one based on Go-Ahead named webs and another based on Boa named boa. Both of them are affected by these vulnerabilities. Specifically, these binaries are vulnerable to the following issues: -…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.realtek.com — https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en
• www.realtek.com — https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-202…
• www.iot-inspector.com — https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supp…

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / n/a	n/a

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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