Certain NETGEAR devices are affected by incorrect configuration of security settings.
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects JGS516PE before 2.6.0.48, JGS524Ev2 before 2.6.0.48, JGS524PE before 2.6.0.48, and GS116Ev2 before 2.6.0.48. A TFTP server was found to be active by default. It allows remote authenticated users to update the switch firmware.
- Published
- Dec 29, 2020
- Updated
- Jun 16, 2026
- EPSS
- 1.7% · 76th percentile
- CWE
- —
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Report tools
Action score
30
Monitor
Low priority for now.
- CVSS
- 29 / 40 · 7.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 1.7%
CNA vs NVD score
- NVD
- 7.3
- CNA · mitre
- 8.3
- 1.0 point gap
CVSS:3.1/AC:L/AV:A/A:H/C:L/I:H/PR:N/S:U/UI:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| netgear | jgs516pe firmware | cpe:2.3:o:netgear:jgs516pe_firmware |
| netgear | jgs516pe | cpe:2.3:h:netgear:jgs516pe |
| netgear | jgs524e firmware | cpe:2.3:o:netgear:jgs524e_firmware |
| netgear | jgs524e | cpe:2.3:h:netgear:jgs524e |
| netgear | jgs524pe firmware | cpe:2.3:o:netgear:jgs524pe_firmware |
| netgear | jgs524pe | cpe:2.3:h:netgear:jgs524pe |
| netgear | gs116e firmware | cpe:2.3:o:netgear:gs116e_firmware |
| netgear | gs116e | cpe:2.3:h:netgear:gs116e |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- netgear gs116e firmwarebefore 2.6.0.48
- netgear jgs516pe firmwarebefore 2.6.0.48
- netgear jgs524e firmwarebefore 2.6.0.48
- netgear jgs524pe firmwarebefore 2.6.0.48
Same product
netgear: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-26919NETGEAR JGS516PE devices before 2.6.0.43 are affected by lack of access control at the function level.KEV86Now
- CVE-2020-35782Certain NETGEAR devices are affected by lack of access control at the function level.33Monitor
- CVE-2020-35784Certain NETGEAR devices are affected by lack of access control at the function level.28Monitor
- CVE-2020-35783Certain NETGEAR devices are affected by lack of access control at the function level.26Monitor
- CVE-2017-18862Certain NETGEAR devices are affected by authentication bypass.26Monitor
- CVE-2020-11791NETGEAR JGS516PE devices before 2.6.0.43 are affected by reflected XSS.24Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone on the same network segment can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- kb.netgear.com/000062635/Security-Advisory-for-Security-Misconfiguration-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0376
- research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.