Certain NETGEAR devices are affected by authentication bypass.
Certain NETGEAR devices are affected by authentication bypass. This affects JGS516PE before 2017-05-11, JGS524Ev2 before 2017-05-11, JGS524PE before 2017-05-11, GS105Ev2 before 2017-05-11, GS105PE before 2017-05-11, GS108Ev3 before 2017-05-11, GS108PEv3 before 2017-05-11, GS116Ev2 before 2017-05-11, GSS108E before 2017-05-11, GSS116E before 2017-05-11, XS708Ev2 before 2017-05-11, and XS716E before 2017-05-11.
- Published
- Apr 28, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.5% · 42th percentile
- CWE
- CWE-287
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
Affected 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 | gs105e firmware | cpe:2.3:o:netgear:gs105e_firmware |
| netgear | gs105e | cpe:2.3:h:netgear:gs105e |
| netgear | gs105pe firmware | cpe:2.3:o:netgear:gs105pe_firmware |
| netgear | gs105pe | cpe:2.3:h:netgear:gs105pe |
| netgear | gs108e firmware | cpe:2.3:o:netgear:gs108e_firmware |
| netgear | gs108e | cpe:2.3:h:netgear:gs108e |
and 12 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- netgear gs105e firmwarebefore 2017-05-11
- netgear gs105pe firmwarebefore 2017-05-11
- netgear gs108e firmwarebefore 2017-05-11
- netgear gs108pe firmwarebefore 2017-05-11
- netgear gs116e firmwarebefore 2017-05-11
- netgear gss108e firmwarebefore 2017-05-11
- netgear gss116e firmwarebefore 2017-05-11
- netgear jgs516pe firmwarebefore 2017-05-11
- netgear jgs524e firmwarebefore 2017-05-11
- netgear jgs524pe firmwarebefore 2017-05-11
- netgear xs708e firmwarebefore 2017-05-11
- netgear xs716e firmwarebefore 2017-05-11
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-2020-35801Certain NETGEAR devices are affected by incorrect configuration of security settings.30Monitor
- 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-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.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-287 · Improper AuthenticationCVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd-primary
Root cause
Authentication is added route by route instead of being enforced in one place. When a route added later bypasses the shared middleware, the session check never runs for it.
The bug in code
The whole CWE-287 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
app.use("/admin", requireSession, adminRouter);
// Route added later skips the middlewareapp.post("/admin-api/config", updateConfig);Fixed
const admin = express.Router();admin.use(requireSession, requireRole("admin"));
admin.post("/config", updateConfig);app.use("/admin", admin);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Authentication AbuseCAPEC-114Medium
- Authentication BypassCAPEC-115Medium
- Identity SpoofingCAPEC-151likelihood: Medium · Medium
- Fake the Source of DataCAPEC-194Medium
- Exploiting Trust in ClientCAPEC-22likelihood: High · High
- Utilizing REST's Trust in the System Resource to Obtain Sensitive DataCAPEC-57likelihood: Medium · Very High
- Session HijackingCAPEC-593likelihood: High · Very High
- Token ImpersonationCAPEC-633Medium
ATT&CK techniques
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; 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 helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.