CVE-2026-108907

Netcore NR268 CGI Execution user_ok improper authentication

CVSS score

10.0

EPSS probability

—

Risk score

1.0

Published

9 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

Checking session…

Vulnerability description

CVE AI research

The stored explanation is shown at once; refreshing evaluates the sources again.

DayBreach AI Explanation

Verified against sources

Netcore NR268 CGI Execution user_ok Improper Authentication Vulnerability (CVE-2026-108907)

Sources read

Source agreement

0/2

Evidence confidence

%55

Short explanation

A critical vulnerability has been determined in the user_ok function of the CGI Execution component in Netcore NR268 1.7.121109, leading to improper authentication that can be initiated remotely.

Why does it matter?

This critical vulnerability can be initiated remotely and has a publicly disclosed exploit, while the vendor did not respond to early disclosures.

What should be done?

Follow vendor advisories as patch status is currently unknown
Monitor for official vendor updates
Restrict network access to affected devices

Note on uncertainty

1 alanda kaynak uyuşmazlığı var. DayBreach bu değerleri saklamadı; kaynak karşılaştırması aşağıda gösteriliyor.

Chain of evidence and sources2 verified claims

Netcore NR268 1.7.121109 sürümündeki user_ok fonksiyonunda uygun olmayan kimlik doğrulamaya neden olan bir zafiyet bulunmaktadır.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Saldırı uzaktan başlatılabilir ve istismar halka açık olarak paylaşılmıştır.

S0 · daybreach-canonical S1 · cvelist

Show the technical text from the sources

A vulnerability was determined in Netcore NR268 1.7.121109. Affected is the function user_ok of the component CGI Execution. This manipulation causes improper authentication. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CWE: CWE-287

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-108907 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	Netcore	NR268	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
10.0	CVSS V4_0	CRITICAL	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P	CVE CNA
10.0	CVSS V3_1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R	CVE CNA
10.0	CVSS V3_0	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R	CVE CNA
10.0	CVSS V2_0	—	AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	CVE CNA
10.0	CVSS V2	—	AV:N/AC:L/Au:N/C:C/I:C/A:C	NVD
10.0	CVSS V31	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	NVD
9.3	CVSS V40	CRITICAL	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108907 is associated with the following CWEs:

CWE-287: Improper Authentication

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-108907 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

VDB-416702 | Netcore NR268 CGI Execution user_ok improper authenticationvendor-advisory VDB-416702 | CTI Indicators (IOB, IOC, IOA)vendor-advisory CVE-2026-108907 | CVE Analysis and Reportvendor-advisory Submit #977173 | Netcore NR268 Router NR268-V1.7.121109.bin Improper Authenticationvendor-advisory https://github.com/draw-ctf/report/blob/main/NR268/2026.09.14-netcore-nr268-boa-auth-fail-open.mdvendor-advisory

CVSS Vector Radar Chart

10.0 / 10

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone required

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

Netcore

Weakness Type (CWE & CAPEC)

CWE-287

Similar Vulnerabilities

9.4

CVE-2026-108929

Netcore NR268 DDNS ddns_wan_list_show.cgi ddns_wan_list_show information disclosure

VendorNetcoreProductNR268

Patch status unknown5 h ago

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

Get a free key Documentation

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-108907"