CVE-2023-5959Public exploit

Unauthenticated admin password reset via insecure POST

Published Nov 11, 2023 · Updated Aug 2, 2024

Authentication bypass in Byzoro Smart S85F Management Platform V31R02B10-01 allows remote attackers to reset the administrator password via /login.php. The endpoint accepts an unauthenticated mode=findpwd POST and writes the supplied txt_newpwd value for the admin account without an authorization check. Attackers reachable from the adjacent network can then authenticate with the new password, changing account integrity without documented confidentiality or availability impact.

CVSS severity4.3
Medium
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Byzoro Smart S85F Management Platform V31R02B10-01 allows remote attackers to reset the administrator password via /login.php. The endpoint accepts an unauthenticated mode=findpwd POST and writes the supplied txt_newpwd value for the admin account without an authorization check. Attackers reachable from the adjacent network can then authenticate with the new password, changing account integrity without documented confidentiality or availability impact.

The record

CVE
CVE-2023-5959
Published
Nov 11, 2023
Updated
Aug 2, 2024
Vendor
Byzoro
Product
Smart S85F Management Platform
Classifications
CWE-640, T1098
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=V31R02B10-01

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Byzoro · Smart S85F Management Platformversion=V31R02B10-01

Published CVSS scores

4.3NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.3VulDBAV:A/AC:L/Au:N/C:N/I:P/A:N

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)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-640Weakness of Password Recovery Mechanism for Forgotten Password
T1098Account Manipulation

Public exploit references

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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