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CVE-2016-7830· NVD / CVE Program· CNA jpcert

Sony PCS-XG100, PCS-XG100S, PCS-XG100C, PCS-XG77, PCS-XG77S, PCS-XG77C devices with firmware versions prior to Ver.1.51 and PCS-XC1 devices

Sony PCS-XG100, PCS-XG100S, PCS-XG100C, PCS-XG77, PCS-XG77S, PCS-XG77C devices with firmware versions prior to Ver.1.51 and PCS-XC1 devices with firmware version prior to Ver.1.22 allow an attacker on the same network segment to bypass authentication to perform administrative operations via unspecified vectors.

HighCVSS 8.8 · v3.0—No exploit No fix recorded
Published
Jun 9, 2017
Updated
Jun 16, 2026
EPSS
0.7% · 53th percentile
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

Affected systems

VendorProduct
sonypcs-xg100 firmware
sonypcs-xg100
sonypcs-xg100s
sonypcs-xg100c
sonypcs-xg77 firmware
sonypcs-xg77
sonypcs-xg77s
sonypcs-xg77c
sonypcs-xc1 firmware
sonypcs-xc1

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sony pcs-xc1 firmwareup to 1.21 inclusive
  • sony pcs-xg100 firmware1.42
  • sony pcs-xg100 firmware1.50
  • sony pcs-xg77 firmware1.42
  • sony pcs-xg77 firmware1.50

Versions reported by the vendor

Affected version ranges reported by the assigning authority (jpcert). Independent of NVD's CPE analysis and usually ahead of it.

  • Sony Corporation PCS-XC1

    • firmware version prior to Ver.1.22affected

  • Sony Corporation PCS-XG100

    • firmware versions prior to Ver.1.51affected

  • Sony Corporation PCS-XG100C

    • firmware versions prior to Ver.1.51affected

  • Sony Corporation PCS-XG100S

    • firmware versions prior to Ver.1.51affected

  • Sony Corporation PCS-XG77

    • firmware versions prior to Ver.1.51affected

  • Sony Corporation PCS-XG77C

    • firmware versions prior to Ver.1.51affected

  • Sony Corporation PCS-XG77S

    • firmware versions prior to Ver.1.51affected

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.

EPSS, last 120 days

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 researchers

Finders, 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.

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Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

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
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-306 · Missing Authentication for Critical Function

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Root cause

A function added for development or support ships to production without authentication. It often relies on the assumption that it is “only reachable from the internal network.”

The bug in code

The whole CWE-306 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
// Added for the support teamapp.post("/maintenance/reset", resetDevice);

Fixed

ts
if (config.maintenanceEnabled) {  app.post(    "/maintenance/reset",    requireSession, requireRole("admin"), resetDevice  );}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

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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 help

Change 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.

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