How severe is CVE-2022-28717?

CVE-2022-28717 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-28717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28717?

CVE-2022-28717 primarily affects Meikyo Watch Boot Nino Rpc-m2c Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-28717?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-28717 published?

CVE-2022-28717 was published on 2022-05-18 and last updated on 2026-06-17.

CVE-2022-28717

CVE-2022-28717 is a medium-severity vulnerability in Meikyo Watch Boot Nino Rpc-m2c Firmware with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Meikyo Watch Boot Nino Rpc-m2c Firmware
Published: 2022-05-18
Last modified: 2026-06-17

Description

Cross-site scripting vulnerability in Rebooter(WATCH BOOT nino RPC-M2C [End of Sale] all firmware versions, WATCH BOOT light RPC-M5C [End of Sale] all firmware versions, WATCH BOOT L-zero RPC-M4L [End of Sale] all firmware versions, WATCH BOOT mini RPC-M4H [End of Sale] all firmware versions, WATCH BOOT nino RPC-M2CS firmware version 1.00A to 1.00D, WATCH BOOT light RPC-M5CS firmware version 1.00A to 1.00D, WATCH BOOT L-zero RPC-M4LS firmware version 1.00A to 1.20A, and Signage Rebooter RPC-M4HSi firmware version 1.00A), PoE Rebooter(PoE BOOT nino PoE8M2 firmware version 1.00A to 1.20A), Scheduler(TIME BOOT mini RSC-MT4H [End of Sale] all firmware versions, TIME BOOT RSC-MT8F [End of Sale] all firmware versions, TIME BOOT RSC-MT8FP [End of Sale] all firmware versions, TIME BOOT mini RSC-MT4HS firmware version 1.00A to 1.10A, and TIME BOOT RSC-MT8FS firmware version 1.00A to 1.00E), and Contact Converter(POSE SE10-8A7B1 firmware version 1.00A to 1.20A) allows a remote attacker with the administrative privilege to inject an arbitrary script via unspecified vectors.

Frequently asked questions

What is CVE-2022-28717?: Cross-site scripting vulnerability in Rebooter(WATCH BOOT nino RPC-M2C [End of Sale] all firmware versions, WATCH BOOT light RPC-M5C [End of Sale] all firmware versions, WATCH BOOT L-zero RPC-M4L [End of Sale] all firmware versions, WATCH BOOT mini RPC-M4H [End of Sale] all firmware versions, WATCH BOOT nino RPC-M2CS firmware version 1.00A to 1.00D, WATCH BOOT light RPC-M5CS firmware version 1.00A to 1.00D, WATCH BOOT L-zero RPC-M4LS firmware version 1.00A to 1.20A, and Signage Rebooter RPC-M4HSi firmware version 1.00A), PoE Rebooter(PoE BOOT nino PoE8M2 firmware version 1.00A to 1.20A), Scheduler(TIME BOOT mini RSC-MT4H [End of Sale] all firmware versions, TIME BOOT RSC-MT8F [End of Sale] all firmware versions, TIME BOOT RSC-MT8FP [End of Sale] all firmware versions, TIME BOOT mini RSC-MT4HS firmware version 1.00A to 1.10A, and TIME BOOT RSC-MT8FS firmware version 1.00A to 1.00E), and Contact Converter(POSE SE10-8A7B1 firmware version 1.00A to 1.20A) allows a remote attacker with the administrative privilege to inject an arbitrary script via unspecified vectors.
How severe is CVE-2022-28717?: CVE-2022-28717 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-28717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28717?: CVE-2022-28717 primarily affects Meikyo Watch Boot Nino Rpc-m2c Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-28717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-28717 published?: CVE-2022-28717 was published on 2022-05-18 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:o:meikyo:watch_boot_nino_rpc-m2c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:watch_boot_light_rpc-m5c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:watch_boot_l-zero_rpc-m4l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:watch_boot_mini_rpc-m4h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:watch_boot_nino_rpc-m2cs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:watch_boot_light_rpc-m5cs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:watch_boot_l-zero_rpc-m4ls_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:signage_rebooter_rpc-m4hsi_firmware:1.00a:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:poe_boot_nino_poe8m2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:time_boot_mini_rsc-mt4h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:time_boot_rsc-mt8f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:time_boot_rsc-mt8fp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:time_boot_mini_rsc-mt4hs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:time_boot_rsc-mt8fs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:pose_se10-8a7b1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meikyo:pose_se10-8a7b1_firmware:-:*:*:*:*:*:*:*

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