SARA / Free Tools / CVE / CVE-2021-35395

CVE-2021-35395 — Realtek AP-Router SDK Buffer Overflow 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 o

CVSS
— —
EPSS
93.66% (top 0.20%)
CWE
—
Published
2021-08-16T11:07:29.000Z
Last modified
2025-10-21T23:25:37.811Z
CVSS vector
—
CISA KEV — Actively Exploited
Added to KEV
2021-11-03
BOD 22-01 due
2021-11-17
Ransomware use
Unknown
View KEV detail
CVE-2021-35395 on CISA KEV →

01What is 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: -…

02Affected products

VendorProductVersions
na / n/an/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2021-11-03. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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