Home/CVE/Certain NETGEAR devices are affected by lack of access control at the function level. This affects FS728TLP before 1.0.1
CVE
CVE-2019-20676
Certain NETGEAR devices are affected by lack of access control at the function level. This affects FS728TLP before 1.0.1
Certain NETGEAR devices are affected by lack of access control at the function level. This affects FS728TLP before 1.0.1.26, GS105Ev2 before 1.6.0.4, GS105PE before 1.6.0.4, GS108Ev3 before 2.06.08, GS108PEv3 before 2.06.08, GS110EMX before 1.0.1.4, GS116Ev2 before 2.6.0.35, GS408EPP before 1.0.0.15, GS724TPv2 before 1.1.1.29, GS808E before 1.7.0.7, GS810EMX before 1.7.1.1, GS908E before 1.7.0.3, GSS108E before 1.6.0.4, GSS108EPP before 1.0.0.15, GSS116E before 1.6.0.9, JGS516PE before 2.6.0.35, JGS524Ev2 before 2.6.0.35, JGS524PE before 2.6.0.35, XS512EM before 1.0.1.1, XS708Ev2 before 1.6.0.23, XS716E before 1.6.0.23, and XS724EM before 1.0.1.1.
MEDIUM · CVSS 6
EPSS 0.00302
Monitor
- No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0
YARA rules0
Look this up elsewhere - one-click external pivots
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How to read a CVE - triage first, then detect and patch
This page is every public fact about CVE-2019-20676, cross-linked. Its job is to answer one question fast - does this need my attention now? - and then hand you the two things you do about it. Here is how an analyst reads it.
Triage: should I act now? Four signals, and they are not interchangeable:
CVSSseverity - how bad it is IF exploited, 0-10. A high CVSS alone is not urgency; a flaw can be a perfect 10 and never actually be attacked.
EPSSprobability - a model’s estimate of the chance it is exploited in the next 30 days, 0-1. This is the “will it actually happen” signal.
CISA KEVconfirmed - it is being exploited in the wild right now. The strongest signal on the page; KEV beats any score.
Weaponisedavailability - public exploits / PoCs, and especially Metasploit modules rated Excellent / Great. Reliable, packaged exploit code means low-skill attackers can use it today.
How they combine: KEV, or a dependable Metasploit module, means patch now regardless of CVSS. High CVSS + low EPSS + no exploit is real but not an emergency - schedule it. Low CVSS but KEV-listed still gets patched now. The verdict above already weighed these for you; this is how it got there.
Then what - two workflows:
Detectwhen you cannot patch today, follow this CVE to the ATT&CK techniques it enables, then Build a SIEM detection (the green button) - author a rule, test it in Atomic, deploy it. That buys visibility while the patch waits.
PatchAffected products / packages tell you if you are exposed; Fixed versions by distribution and Vendor advisories give the exact version that closes it.
Reading order for the panels below: verdict + badges, then Public exploits / Metasploit (is it weaponised), then ATT&CK techniques + Sigma / IDS rules (can I detect it), then Affected products / packages + Fixed versions (am I exposed, what patches it), then Threat actors / IOCs (who uses it), then Scoring & timeline / references (the evidence).
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ATT&CK techniques
3Techniques this CVE enables - linked via CWECAPECATT&CK. High◆ = named directly in ATT&CK or Nuclei templates.
T1211 · Exploitation for Stealth T1542.002 · Component Firmware T1556 · Modify Authentication Process
▤ Build a SIEM detection for these techniques
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CAPEC attack patterns
1Attack patterns this CVE enables - the bridge from weakness to ATT&CK technique.
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Weakness Classification
CWE-862Missing Authorization
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Affected Products & Versions
22netgear fs728tlp firmware< 1.0.1.26
netgear gs105e firmware< 1.6.0.4
netgear gs105pe firmware< 1.6.0.4
netgear gs108e firmware< 2.06.08
netgear gs108pe firmware< 2.06.08
netgear gs110emx firmware< 1.0.1.4
netgear gs116e firmware< 2.6.0.35
netgear gs408epp firmware< 1.0.0.15
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Scoring & Timeline
6
MEDIUM · CVSS v3.1 · [email protected]
Attack Vector
Network
Adjacent
Local
Physical
Attack Complexity
Low
High
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
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References & Sources
1Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.