CVE-2026-108894

Linksys E1700 Static Route addStaticRoute os command injection

CVSS score

9.4

EPSS probability

—

Risk score

0.9

Published

15 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

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Linksys E1700 Static Route Handler OS Command Injection

Sources read

Source agreement

0/2

Evidence confidence

%47

Short explanation

A critical OS command injection vulnerability has been discovered in the static route handler component of the Linksys E1700 router. Remotely exploitable, this flaw features a publicly released exploit, and the vendor has not yet responded.

Why does it matter?

This vulnerability allows low-privileged users to execute commands remotely, creating a critical impact on confidentiality, integrity, and availability.

What should be done?

Monitor vendor advisories and updates
Restrict access to the affected router component
Review official sources for alternative workarounds

Note on uncertainty

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

Chain of evidence and sources2 verified claims

Linksys E1700 1.0.0.4.003 sürümünde /goform/addStaticRoute dosyasındaki addStaticRoute fonksiyonu işletim sistemi komut enjeksiyonuna açıktır.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Zafiyet için halka açık bir istismar kodu yayınlanmış olup satıcı ilk bildirimlere yanıt vermemiştir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Show the technical text from the sources

A security flaw has been discovered in Linksys E1700 1.0.0.4.003. Impacted is the function addStaticRoute of the file /goform/addStaticRoute of the component Static Route Handler. Performing a manipulation of the argument staticRoute_IP_setting/staticRoute_Netmask_setting/staticRoute_Gateway_setting/staticRoute_Metric_setting results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. 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:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CWE: CWE-78, CWE-77

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-2026-108894 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	linksys	E1700	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
9.9	CVSS V3_1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R	CVE CNA
9.9	CVSS V3_0	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R	CVE CNA
9.9	CVSS V31	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	NVD
9.4	CVSS V4_0	CRITICAL	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P	CVE CNA
9.0	CVSS V2_0	—	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	CVE CNA
9.0	CVSS V2	—	AV:N/AC:L/Au:S/C:C/I:C/A:C	NVD
8.6	CVSS V40	HIGH	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2026-108894 is associated with the following CWEs:

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')CWE-77: Common Weakness Enumeration Entry CWE-77

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-2026-108894 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsLow

UserGerekmiyor

Official Sources and Advisories

VDB-416686 | Linksys E1700 Static Route addStaticRoute os command injectionvendor-advisory VDB-416686 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisory CVE-2026-108894 | CVE Analysis and Reportvendor-advisory Submit #973113 | Linksys E1700 1.0.0.4.003 OS Command Injectionvendor-advisory https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_68/68.mdvendor-advisory https://www.linksys.com/vendor-advisory

CVSS Vector Radar Chart

9.4 / 10

Vulnerability Scoring Details

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

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow privileges

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

linksys

Weakness Type (CWE & CAPEC)

CWE-78 CWE-77

Similar Vulnerabilities

10.0

CVE-2026-108892

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