CVE-2022-37232Network attack vector

Memory corruption via unchecked uhttpd strcpy

Published Sep 23, 2022 · Updated May 27, 2025

Stack-based buffer overflow in uhttpd in NETGEAR WNR2000v4 firmware 1.0.0.70 allows remote attackers to cause unspecified impact. The public record identifies strcpy in uhttpd as the overflow source but does not disclose the affected request parameter or call site. The service is reachable over the network without authentication, but published evidence does not establish whether the overwrite causes a crash or code execution.

CVSS severity9.8
Critical
EPSS probability1.04%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Stack-based buffer overflow in uhttpd in NETGEAR WNR2000v4 firmware 1.0.0.70 allows remote attackers to cause unspecified impact. The public record identifies strcpy in uhttpd as the overflow source but does not disclose the affected request parameter or call site. The service is reachable over the network without authentication, but published evidence does not establish whether the overwrite causes a crash or code execution.

The record

CVE
CVE-2022-37232
Published
Sep 23, 2022
Updated
May 27, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 23, 2022CVE publishedPublication date reported by the CVE source.
  2. May 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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