CVE-2026-90607Network attack vector

Memory corruption via oversized schedule redirect value

Published Sep 14, 2026 · Updated Sep 14, 2026

Buffer overflow in TOTOLINK A3002MU Hh-B20211125.1046 allows remote authenticated users to corrupt boa process memory via submit-url. The formNewSchedule handler at /boafrm/formNewSchedule accepts an oversized submit-url value and overruns its destination buffer. Wireless-schedule configuration requires access to the authenticated router settings interface; consequences beyond memory corruption are not published.

CVSS severityUnavailable
Unscored
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in TOTOLINK A3002MU Hh-B20211125.1046 allows remote authenticated users to corrupt boa process memory via submit-url. The formNewSchedule handler at /boafrm/formNewSchedule accepts an oversized submit-url value and overruns its destination buffer. Wireless-schedule configuration requires access to the authenticated router settings interface; consequences beyond memory corruption are not published.

The record

CVE
CVE-2026-90607
Published
Sep 14, 2026
Updated
Sep 14, 2026
Vendor
TOTOLINK
Product
A3002MU
Classifications
Unavailable
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=Hh-B20211125.1046

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

TOTOLINK · A3002MUversion=Hh-B20211125.1046

Published CVSS scores

No CVSS assessment is available in this record.

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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