CVE-2026-2935Public exploitNetwork attack vector

Authenticated router crash via unchecked remark copy

Published Feb 22, 2026 · Updated Feb 22, 2026

Buffer overflow in Shanghai Aitai HiPER 810G 1.7.7-171114 and earlier allows remote authenticated users to crash the router. The /goform/ConfigExceptMSN handler passes the attacker-controlled remark value to strcpy without checking its length, overwriting the destination buffer. High-privilege management access is required; the published proof of concept demonstrates abnormal process termination and service interruption.

CVSS severity7.2
High
EPSS probability0.80%
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 Shanghai Aitai HiPER 810G 1.7.7-171114 and earlier allows remote authenticated users to crash the router. The /goform/ConfigExceptMSN handler passes the attacker-controlled remark value to strcpy without checking its length, overwriting the destination buffer. High-privilege management access is required; the published proof of concept demonstrates abnormal process termination and service interruption.

The record

CVE
CVE-2026-2935
Published
Feb 22, 2026
Updated
Feb 22, 2026
Vendor
Shanghai Aitai Technology Co., Ltd.
Product
HiPER 810G
Classifications
CWE-119, CWE-120, T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 22, 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?

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

  1. Affected versionversion=1.7.7-171114

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Shanghai Aitai Technology Co., Ltd. · HiPER 810Gversion=1.7.7-171114

Published CVSS scores

7.2VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
7.2VulDBCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.3VulDBAV:N/AC:L/Au:M/C:C/I:C/A:C

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

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1499Endpoint Denial of Service

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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