CVE-2022-40986Network attack vector

Authenticated command execution via unchecked sprintf

Published Jan 26, 2023 · Updated Nov 4, 2025

Stack-based buffer overflow in Siretta QUARTZ-GOLD G5.0.1.5-210720-141020 allows remote authenticated users to execute commands. The DetranCLI handler for the (ddns1|ddns2) mx WORD template passes an unchecked WORD argument to sprintf into a 512-byte stack buffer. Administrative CLI access and a sequence of crafted network requests are required; successful exploitation runs arbitrary commands on the router.

CVSS severity7.2
High
EPSS probability1.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Siretta QUARTZ-GOLD G5.0.1.5-210720-141020 allows remote authenticated users to execute commands. The DetranCLI handler for the (ddns1|ddns2) mx WORD template passes an unchecked WORD argument to sprintf into a 512-byte stack buffer. Administrative CLI access and a sequence of crafted network requests are required; successful exploitation runs arbitrary commands on the router.

The record

CVE
CVE-2022-40986
Published
Jan 26, 2023
Updated
Nov 4, 2025
Vendor
Siretta
Product
QUARTZ-GOLD
Classifications
CWE-120, T1210
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2025Record 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=G5.0.1.5-210720-141020

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Siretta · QUARTZ-GOLDversion=G5.0.1.5-210720-141020

Published CVSS scores

7.2Cisco TalosCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1210Exploitation of Remote Services

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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